ci(travis): clean up, reorganize and document before_install and install scripts
ci(travis): clean up, reorganize and document before_install and install scripts

Functionally this should be a noop change.

kegluneq/angular,souldreamer/angular,alexcastillo/angular,kara/angular,jasonaden/angular,cassand/angular,gjungb/angular,chrisse27/angular,robwormald/angular,gkalpak/angular,manekinekko/angular,basvandenheuvel/angular,mdegoo/angular,gionkunz/angular,Mathou54/angular,sjtrimble/angular,StephenFluin/angular,vicb/angular,brandonroberts/angular,gdi2290/angular,cexbrayat/angular,awerlang/angular,heathkit/angular,Flounn/angular,ollie314/angular,mzgol/angular,basvandenheuvel/angular,basvandenheuvel/angular,templth/angular,itamark/angular,snaptech/angular,nosovk/angular,manekinekko/angular,tyleranton/angular,mhegazy/angular,Mathou54/angular,dydek/angular,chuckjaz/angular,itamark/angular,mlaval/angular,vsavkin/angular,gionkunz/angular,chrisse27/angular,sarunint/angular,shairez/angular,UIUXEngineering-Forks/angular,matsko/angular,jteplitz602/angular,dtoroshin/n2oDoc,diestrin/angular,souvikbasu/angular,tbosch/angular,snaptech/angular,cironunes/angular,gdi2290/angular,laco0416/angular,mprobst/angular,SaltyDH/angular,souvikbasu/angular,dydek/angular,AlmogShaul/angular,IgorMinar/angular,panuruj/angular,jonrimmer/angular,ScottSWu/angular,dejour/angular,SekibOmazic/angular,gnomeontherun/angular,pkozlowski-opensource/angular,chajath/angular,UIUXEngineering/angular,sjtrimble/angular,ochafik/angular,LucasSloan/angular,robertmesserle/angular,rjamet/angular,cassand/angular,alexeagle/angular,mgol/angular,tyleranton/angular,juleskremer/angular,royling/angular,SaltyDH/angular,vamsivarikuti/angular,asnowwolf/angular,asnowwolf/angular,NathanWalker/angular,Flounn/angular,ScottSWu/angular,mhevery/angular,wKoza/angular,Symagic/angular,Mathou54/angular,hannahhoward/angular,vikerman/angular,jonrimmer/angular,brandonroberts/angular,laco0416/angular,blesh/angular,blesh/angular,robwormald/angular,antonmoiseev/angular,ultrasonicsoft/angular,SekibOmazic/angular,Toxicable/angular,cironunes/angular,jesperronn/angular,LucasSloan/angular,angularbrasil/angular,not-for-me/angular,tbosch/angular,mdegoo/angular,ericmartinezr/angular,xcaliber-tech/angular,kegluneq/angular,mdegoo/angular,asnowwolf/angular,mzgol/angular,graveto/angular,aboveyou00/angular,pkozlowski-opensource/angular,gnomeontherun/angular,antonmoiseev/angular,tolemac/angular,asnowwolf/angular,alamgird/angular,ericmartinezr/angular,alxhub/angular,manekinekko/angular,dsebastien/angular,pk-karthik/framework-js-angular,smartm0use/angular,asnowwolf/angular,matsko/angular,hannahhoward/angular,vsavkin/angular,mikeybyker/angular,aboveyou00/angular,IdeaBlade/angular,ochafik/angular,hterkelsen/angular,mgol/angular,angular/angular,mdegoo/angular,blesh/angular,pk-karthik/framework-js-angular,chrisse27/angular,UIUXEngineering-Forks/angular,youdz/angular,JanStureNielsen/angular,alexcastillo/angular,hannahhoward/angular,Flounn/angular,trshafer/angular,snaptech/angular,chalin/angular,mgiambalvo/angular,kwalrath/angular,robwormald/angular,vandres/angular,tyleranton/angular,e-hein/angular,mdegoo/angular,kylecordes/angular,alexeagle/angular,NathanWalker/angular,juleskremer/angular,shuhei/angular,nosovk/angular,Brocco/angular,hansl/angular,jteplitz602/angular,naomiblack/angular,kevinmerckx/angular,shairez/angular,mzgol/angular,dsebastien/angular,youdz/angular,awerlang/angular,chajath/angular,Brocco/angular,kylecordes/angular,xcaliber-tech/angular,hansl/angular,Toxicable/angular,hannahhoward/angular,hansl/angular,rbevers/angular,SekibOmazic/angular,dtoroshin/n2oDoc,rkirov/angular,mhegazy/angular,petebacondarwin/angular,heathkit/angular,laco0416/angular,sarunint/angular,dydek/angular,alexcastillo/angular,mprobst/angular,ochafik/angular,hpinsley/angular,vikerman/angular,mlaval/angular,not-for-me/angular,vikerman/angular,IgorMinar/angular,mprobst/angular,AlmogShaul/angular,SaltyDH/angular,smartm0use/angular,Brocco/angular,IgorMinar/angular,trshafer/angular,hannahhoward/angular,mgechev/angular,mgol/angular,tolemac/angular,vikerman/angular,dydek/angular,ocombe/angular,shuhei/angular,hterkelsen/angular,robertmesserle/angular,mzgol/angular,vinagreti/angular,mhevery/angular,panuruj/angular,tamascsaba/angular,gionkunz/angular,LucasSloan/angular,chalin/angular,JSMike/angular,alfonso-presa/angular,alxhub/angular,mgiambalvo/angular,heathkit/angular,mgechev/angular,snaptech/angular,diestrin/angular,xcaliber-tech/angular,sjtrimble/angular,tolemac/angular,awerlang/angular,wKoza/angular,robwormald/angular,ultrasonicsoft/angular,Mathou54/angular,trshafer/angular,alexeagle/angular,JanStureNielsen/angular,kwalrath/angular,alfonso-presa/angular,Brocco/angular,shairez/angular,robertmesserle/angular,filipesilva/angular,hterkelsen/angular,graveto/angular,tycho01/angular,angular/angular,rkirov/angular,laskoviymishka/angular,JiaLiPassion/angular,ValtoFrameworks/Angular-2,JiaLiPassion/angular,tyleranton/angular,kegluneq/angular,StephenFluin/angular,tycho01/angular,robwormald/angular,hpinsley/angular,laskoviymishka/angular,domusofsail/angular,ValtoFrameworks/Angular-2,petebacondarwin/angular,basvandenheuvel/angular,ghetolay/angular,vinagreti/angular,tycho01/angular,snaptech/angular,gkalpak/angular,tamascsaba/angular,trshafer/angular,wKoza/angular,jteplitz602/angular,ScottSWu/angular,ultrasonicsoft/angular,kara/angular,laco0416/angular,nosovk/angular,petebacondarwin/angular,AlmogShaul/angular,Brocco/angular,SekibOmazic/angular,tbosch/angular,cironunes/angular,jasonaden/angular,brandonroberts/angular,Flounn/angular,vikerman/angular,mlaval/angular,vsavkin/angular,mzgol/angular,ghetolay/angular,brandonroberts/angular,rkirov/angular,ocombe/angular,kara/angular,antonmoiseev/angular,kwalrath/angular,filipesilva/angular,panuruj/angular,alexpods/angular,gjungb/angular,vicb/angular,alexpods/angular,SekibOmazic/angular,IgorMinar/angular,alexpods/angular,jesperronn/angular,domusofsail/angular,antonmoiseev/angular,chrisse27/angular,angular-indonesia/angular,jesperronn/angular,vinagreti/angular,sarunint/angular,JiaLiPassion/angular,cexbrayat/angular,jonrimmer/angular,templth/angular,angularbrasil/angular,mhegazy/angular,rjamet/angular,rbevers/angular,mgechev/angular,IdeaBlade/angular,souldreamer/angular,heathkit/angular,ghetolay/angular,mgechev/angular,tycho01/angular,mprobst/angular,hpinsley/angular,graveto/angular,wKoza/angular,hpinsley/angular,jteplitz602/angular,pkozlowski-opensource/angular,zhura/angular,souvikbasu/angular,kevinmerckx/angular,youdz/angular,tolemac/angular,diestrin/angular,kegluneq/angular,ocombe/angular,dtoroshin/n2oDoc,alexcastillo/angular,aboveyou00/angular,juristr/angular,e-hein/angular,NathanWalker/angular,JanStureNielsen/angular,chuckjaz/angular,kegluneq/angular,graveto/angular,smartm0use/angular,ollie314/angular,juristr/angular,domusofsail/angular,vandres/angular,AlmogShaul/angular,mgol/angular,UIUXEngineering-Forks/angular,cassand/angular,mgiambalvo/angular,kevinmerckx/angular,kara/angular,kara/angular,vsavkin/angular,angularbrasil/angular,alexpods/angular,meeroslav/angular,e-hein/angular,cassand/angular,JSMike/angular,cexbrayat/angular,graveto/angular,ollie314/angular,Flounn/angular,laskoviymishka/angular,ScottSWu/angular,alfonso-presa/angular,vicb/angular,IdeaBlade/angular,angular/angular,laco0416/angular,hpinsley/angular,Symagic/angular,domusofsail/angular,sarunint/angular,tyleranton/angular,youdz/angular,zhura/angular,mgol/angular,cironunes/angular,pkozlowski-opensource/angular,LucasSloan/angular,sjtrimble/angular,alamgird/angular,Symagic/angular,royling/angular,tbosch/angular,shuhei/angular,alexpods/angular,zhura/angular,jasonaden/angular,trshafer/angular,gionkunz/angular,heathkit/angular,tamascsaba/angular,itamark/angular,NathanWalker/angular,hpinsley/angular,mhevery/angular,petebacondarwin/angular,kara/angular,tamascsaba/angular,dsebastien/angular,alexeagle/angular,sarunint/angular,filipesilva/angular,itamark/angular,StephenFluin/angular,templth/angular,brandonroberts/angular,domusofsail/angular,AlmogShaul/angular,itamark/angular,shuhei/angular,cironunes/angular,dsebastien/angular,mikeybyker/angular,chuckjaz/angular,robertmesserle/angular,cassand/angular,kylecordes/angular,ochafik/angular,ValtoFrameworks/Angular-2,ericmartinezr/angular,ochafik/angular,ValtoFrameworks/Angular-2,angular-indonesia/angular,souvikbasu/angular,jteplitz602/angular,ericmartinezr/angular,juleskremer/angular,IdeaBlade/angular,cassand/angular,alamgird/angular,vsavkin/angular,kevinmerckx/angular,souldreamer/angular,souvikbasu/angular,matsko/angular,JanStureNielsen/angular,manekinekko/angular,vandres/angular,chajath/angular,tbosch/angular,tamascsaba/angular,ericmartinezr/angular,filipesilva/angular,vandres/angular,NathanWalker/angular,smartm0use/angular,SaltyDH/angular,jonrimmer/angular,diestrin/angular,angular/angular,tycho01/angular,meeroslav/angular,gnomeontherun/angular,kylecordes/angular,royling/angular,petebacondarwin/angular,ocombe/angular,mzgol/angular,zhura/angular,blesh/angular,dsebastien/angular,ocombe/angular,mlaval/angular,LucasSloan/angular,youdz/angular,vamsivarikuti/angular,alexpods/angular,dtoroshin/n2oDoc,jasonaden/angular,kylecordes/angular,shairez/angular,Mathou54/angular,zhura/angular,alxhub/angular,alexcastillo/angular,hannahhoward/angular,hterkelsen/angular,UIUXEngineering/angular,panuruj/angular,vicb/angular,tycho01/angular,robwormald/angular,gionkunz/angular,jasonaden/angular,not-for-me/angular,juristr/angular,mhevery/angular,antonmoiseev/angular,pk-karthik/framework-js-angular,UIUXEngineering-Forks/angular,graveto/angular,jesperronn/angular,naomiblack/angular,gjungb/angular,alxhub/angular,basvandenheuvel/angular,royling/angular,smartm0use/angular,kwalrath/angular,panuruj/angular,UIUXEngineering/angular,tolemac/angular,meeroslav/angular,aboveyou00/angular,Toxicable/angular,meeroslav/angular,ValtoFrameworks/Angular-2,souldreamer/angular,mhevery/angular,youdz/angular,chuckjaz/angular,jonrimmer/angular,angularbrasil/angular,jesperronn/angular,mgiambalvo/angular,juleskremer/angular,juristr/angular,vinagreti/angular,kylecordes/angular,robertmesserle/angular,awerlang/angular,Symagic/angular,angularbrasil/angular,souldreamer/angular,snaptech/angular,mikeybyker/angular,not-for-me/angular,manekinekko/angular,souldreamer/angular,chalin/angular,Symagic/angular,angular-indonesia/angular,Brocco/angular,chajath/angular,ghetolay/angular,ScottSWu/angular,alamgird/angular,rkirov/angular,chuckjaz/angular,hterkelsen/angular,awerlang/angular,vinagreti/angular,rbevers/angular,jonrimmer/angular,chrisse27/angular,vicb/angular,rbevers/angular,vamsivarikuti/angular,ultrasonicsoft/angular,mgiambalvo/angular,tolemac/angular,mhegazy/angular,mlaval/angular,trshafer/angular,alfonso-presa/angular,naomiblack/angular,mdegoo/angular,SaltyDH/angular,matsko/angular,robertmesserle/angular,e-hein/angular,aboveyou00/angular,petebacondarwin/angular,aboveyou00/angular,royling/angular,chuckjaz/angular,mikeybyker/angular,IgorMinar/angular,shuhei/angular,angularbrasil/angular,cironunes/angular,laskoviymishka/angular,nosovk/angular,wKoza/angular,rkirov/angular,rkirov/angular,meeroslav/angular,rbevers/angular,laskoviymishka/angular,jteplitz602/angular,NathanWalker/angular,alfonso-presa/angular,StephenFluin/angular,Toxicable/angular,ultrasonicsoft/angular,ollie314/angular,templth/angular,ericmartinezr/angular,JSMike/angular,alxhub/angular,ochafik/angular,naomiblack/angular,ScottSWu/angular,hansl/angular,zhura/angular,SekibOmazic/angular,mhegazy/angular,mprobst/angular,UIUXEngineering-Forks/angular,not-for-me/angular,alfonso-presa/angular,ocombe/angular,sarunint/angular,alexeagle/angular,ghetolay/angular,dejour/angular,JSMike/angular,chalin/angular,filipesilva/angular,gkalpak/angular,vandres/angular,kegluneq/angular,vamsivarikuti/angular,manekinekko/angular,gjungb/angular,sjtrimble/angular,dejour/angular,pk-karthik/framework-js-angular,naomiblack/angular,vicb/angular,JiaLiPassion/angular,templth/angular,Toxicable/angular,gkalpak/angular,IdeaBlade/angular,juristr/angular,hansl/angular,blesh/angular,chajath/angular,alexcastillo/angular,matsko/angular,ultrasonicsoft/angular,tamascsaba/angular,mhegazy/angular,rbevers/angular,Toxicable/angular,mikeybyker/angular,vamsivarikuti/angular,gdi2290/angular,gdi2290/angular,dejour/angular,gionkunz/angular,UIUXEngineering-Forks/angular,kevinmerckx/angular,jasonaden/angular,ollie314/angular,pk-karthik/framework-js-angular,basvandenheuvel/angular,UIUXEngineering/angular,gdi2290/angular,mprobst/angular,xcaliber-tech/angular,alamgird/angular,dejour/angular,angular-indonesia/angular,shuhei/angular,rjamet/angular,JanStureNielsen/angular,cexbrayat/angular,IgorMinar/angular,UIUXEngineering/angular,heathkit/angular,juristr/angular,laco0416/angular,hansl/angular,dtoroshin/n2oDoc,wKoza/angular,brandonroberts/angular,JSMike/angular,shairez/angular,StephenFluin/angular,kevinmerckx/angular,mgechev/angular,vikerman/angular,cexbrayat/angular,mgol/angular,LucasSloan/angular,mhevery/angular,alexeagle/angular,dydek/angular,kwalrath/angular,tyleranton/angular,dsebastien/angular,nosovk/angular,juleskremer/angular,e-hein/angular,antonmoiseev/angular,rjamet/angular,xcaliber-tech/angular,gjungb/angular,gnomeontherun/angular,gdi2290/angular,hterkelsen/angular,pkozlowski-opensource/angular,Symagic/angular