docs(changelog): release notes for 4.0.0-beta.2
docs(changelog): release notes for 4.0.0-beta.2

sjtrimble/angular,vicb/angular,kwalrath/angular,kegluneq/angular,ocombe/angular,juristr/angular,aboveyou00/angular,Toxicable/angular,angular-indonesia/angular,vicb/angular,juleskremer/angular,vsavkin/angular,mdegoo/angular,mikeybyker/angular,asnowwolf/angular,snaptech/angular,robwormald/angular,royling/angular,chrisse27/angular,kylecordes/angular,Brocco/angular,Toxicable/angular,not-for-me/angular,vamsivarikuti/angular,alxhub/angular,mdegoo/angular,gnomeontherun/angular,alexeagle/angular,diestrin/angular,asnowwolf/angular,Brocco/angular,chuckjaz/angular,jonrimmer/angular,ultrasonicsoft/angular,vamsivarikuti/angular,mhevery/angular,robwormald/angular,ultrasonicsoft/angular,nosovk/angular,trshafer/angular,nosovk/angular,pk-karthik/framework-js-angular,matsko/angular,gjungb/angular,matsko/angular,sjtrimble/angular,mdegoo/angular,ValtoFrameworks/Angular-2,mprobst/angular,NathanWalker/angular,mgol/angular,mprobst/angular,vsavkin/angular,graveto/angular,graveto/angular,ultrasonicsoft/angular,SaltyDH/angular,petebacondarwin/angular,not-for-me/angular,wKoza/angular,hansl/angular,panuruj/angular,asnowwolf/angular,mikeybyker/angular,dtoroshin/n2oDoc,juristr/angular,vamsivarikuti/angular,mzgol/angular,ocombe/angular,tolemac/angular,mprobst/angular,ValtoFrameworks/Angular-2,filipesilva/angular,heathkit/angular,shairez/angular,blesh/angular,chuckjaz/angular,gjungb/angular,rkirov/angular,nosovk/angular,mzgol/angular,graveto/angular,heathkit/angular,dsebastien/angular,meeroslav/angular,kylecordes/angular,blesh/angular,manekinekko/angular,tbosch/angular,mzgol/angular,jasonaden/angular,meeroslav/angular,kara/angular,mhevery/angular,chrisse27/angular,kegluneq/angular,SaltyDH/angular,LucasSloan/angular,JSMike/angular,JSMike/angular,angularbrasil/angular,gdi2290/angular,Brocco/angular,hansl/angular,asnowwolf/angular,IdeaBlade/angular,gkalpak/angular,petebacondarwin/angular,heathkit/angular,alexeagle/angular,jasonaden/angular,rkirov/angular,NathanWalker/angular,ghetolay/angular,kwalrath/angular,petebacondarwin/angular,kegluneq/angular,Brocco/angular,jonrimmer/angular,ghetolay/angular,IdeaBlade/angular,alexeagle/angular,rjamet/angular,sarunint/angular,ocombe/angular,jonrimmer/angular,IdeaBlade/angular,rkirov/angular,tolemac/angular,angular-indonesia/angular,tolemac/angular,kylecordes/angular,mgiambalvo/angular,SaltyDH/angular,Toxicable/angular,ValtoFrameworks/Angular-2,cironunes/angular,Mathou54/angular,snaptech/angular,LucasSloan/angular,chrisse27/angular,pkozlowski-opensource/angular,mlaval/angular,vicb/angular,gkalpak/angular,angular/angular,juleskremer/angular,juristr/angular,IgorMinar/angular,alexeagle/angular,petebacondarwin/angular,kara/angular,manekinekko/angular,Toxicable/angular,chuckjaz/angular,jasonaden/angular,StephenFluin/angular,trshafer/angular,mlaval/angular,IdeaBlade/angular,aboveyou00/angular,mgiambalvo/angular,chrisse27/angular,pk-karthik/framework-js-angular,diestrin/angular,cironunes/angular,sarunint/angular,chuckjaz/angular,alexeagle/angular,alxhub/angular,tbosch/angular,NathanWalker/angular,juristr/angular,filipesilva/angular,brandonroberts/angular,alxhub/angular,mgiambalvo/angular,trshafer/angular,smartm0use/angular,matsko/angular,robwormald/angular,SaltyDH/angular,meeroslav/angular,diestrin/angular,JiaLiPassion/angular,mgol/angular,dtoroshin/n2oDoc,cironunes/angular,robwormald/angular,dtoroshin/n2oDoc,Brocco/angular,hansl/angular,mhevery/angular,NathanWalker/angular,nosovk/angular,angular-indonesia/angular,alxhub/angular,manekinekko/angular,vsavkin/angular,vikerman/angular,vicb/angular,chalin/angular,aboveyou00/angular,panuruj/angular,kwalrath/angular,Brocco/angular,jonrimmer/angular,Toxicable/angular,royling/angular,sjtrimble/angular,pkozlowski-opensource/angular,petebacondarwin/angular,mgol/angular,graveto/angular,mdegoo/angular,jasonaden/angular,ultrasonicsoft/angular,kara/angular,JSMike/angular,mgechev/angular,chrisse27/angular,tbosch/angular,brandonroberts/angular,mlaval/angular,mdegoo/angular,mzgol/angular,tbosch/angular,mgol/angular,juleskremer/angular,dsebastien/angular,IgorMinar/angular,ghetolay/angular,mgiambalvo/angular,asnowwolf/angular,shairez/angular,snaptech/angular,panuruj/angular,ghetolay/angular,mzgol/angular,kara/angular,cexbrayat/angular,blesh/angular,wKoza/angular,angular/angular,wKoza/angular,tbosch/angular,rjamet/angular,not-for-me/angular,StephenFluin/angular,kwalrath/angular,kara/angular,dsebastien/angular,juristr/angular,aboveyou00/angular,manekinekko/angular,hansl/angular,pk-karthik/framework-js-angular,LucasSloan/angular,tolemac/angular,smartm0use/angular,souvikbasu/angular,NathanWalker/angular,JiaLiPassion/angular,angularbrasil/angular,pkozlowski-opensource/angular,mgechev/angular,SaltyDH/angular,IgorMinar/angular,kara/angular,gnomeontherun/angular,vikerman/angular,chalin/angular,rkirov/angular,IgorMinar/angular,wKoza/angular,vikerman/angular,gkalpak/angular,JiaLiPassion/angular,brandonroberts/angular,trshafer/angular,tolemac/angular,hansl/angular,matsko/angular,dtoroshin/n2oDoc,dsebastien/angular,souvikbasu/angular,gjungb/angular,mprobst/angular,chalin/angular,cironunes/angular,angular/angular,pkozlowski-opensource/angular,hansl/angular,meeroslav/angular,brandonroberts/angular,snaptech/angular,sarunint/angular,ghetolay/angular,alexeagle/angular,panuruj/angular,Mathou54/angular,robwormald/angular,trshafer/angular,ultrasonicsoft/angular,trshafer/angular,cironunes/angular,LucasSloan/angular,angularbrasil/angular,snaptech/angular,angularbrasil/angular,brandonroberts/angular,mikeybyker/angular,gnomeontherun/angular,souvikbasu/angular,angular/angular,vicb/angular,chuckjaz/angular,gjungb/angular,IgorMinar/angular,graveto/angular,vamsivarikuti/angular,juleskremer/angular,chalin/angular,smartm0use/angular,ValtoFrameworks/Angular-2,mprobst/angular,gdi2290/angular,sarunint/angular,ocombe/angular,rjamet/angular,meeroslav/angular,Mathou54/angular,graveto/angular,JSMike/angular,jonrimmer/angular,royling/angular,LucasSloan/angular,dsebastien/angular,matsko/angular,gkalpak/angular,dtoroshin/n2oDoc,sjtrimble/angular,not-for-me/angular,pk-karthik/framework-js-angular,aboveyou00/angular,jasonaden/angular,shairez/angular,kegluneq/angular,kegluneq/angular,kegluneq/angular,vamsivarikuti/angular,cexbrayat/angular,rjamet/angular,mlaval/angular,jonrimmer/angular,heathkit/angular,LucasSloan/angular,angular-indonesia/angular,cexbrayat/angular,vikerman/angular,ocombe/angular,tolemac/angular,gjungb/angular,StephenFluin/angular,pkozlowski-opensource/angular,manekinekko/angular,vsavkin/angular,cexbrayat/angular,juleskremer/angular,angularbrasil/angular,alxhub/angular,smartm0use/angular,vikerman/angular,mgol/angular,cexbrayat/angular,royling/angular,sjtrimble/angular,shairez/angular,ValtoFrameworks/Angular-2,angularbrasil/angular,pk-karthik/framework-js-angular,rkirov/angular,Toxicable/angular,kylecordes/angular,nosovk/angular,mhevery/angular,heathkit/angular,heathkit/angular,shairez/angular,mdegoo/angular,vicb/angular,filipesilva/angular,wKoza/angular,NathanWalker/angular,kwalrath/angular,ocombe/angular,mlaval/angular,StephenFluin/angular,blesh/angular,dsebastien/angular,brandonroberts/angular,diestrin/angular,gdi2290/angular,juristr/angular,IgorMinar/angular,JSMike/angular,gdi2290/angular,jasonaden/angular,kylecordes/angular,StephenFluin/angular,souvikbasu/angular,robwormald/angular,mhevery/angular,filipesilva/angular,mgol/angular,mhevery/angular,mprobst/angular,snaptech/angular,chuckjaz/angular,rkirov/angular,mikeybyker/angular,IdeaBlade/angular,souvikbasu/angular,sarunint/angular,petebacondarwin/angular,kylecordes/angular,panuruj/angular,mgechev/angular,mgiambalvo/angular,manekinekko/angular,mikeybyker/angular,smartm0use/angular,vikerman/angular,cironunes/angular,wKoza/angular,not-for-me/angular,aboveyou00/angular,mgechev/angular,mgechev/angular,blesh/angular,mzgol/angular,gnomeontherun/angular,royling/angular,JiaLiPassion/angular,Mathou54/angular,gdi2290/angular,Mathou54/angular,filipesilva/angular,vsavkin/angular,gdi2290/angular,ultrasonicsoft/angular,sarunint/angular