[AIRFLOW-429] Add Zapier Add Zapier. Add a Link. Correct Alphabetization. Correct Markdown
[AIRFLOW-429] Add Zapier
Add Zapier. Add a Link. Correct Alphabetization.
Correct Markdown

Dear Airflow Maintainers,

Please accept this PR that addresses the following
issues:
- [AIRFLOW-429 Add Zapier](https://issues.apache.o
rg/jira/browse/AIRFLOW-429)

Testing Done:
Not Applicable

Changes made:
 * Add Zapier.  Line 122.
 * Add a Link. The Github account for the Stripe
contact was not included inconsistent with the
rest of the file.  Line 115.
 * Correct Alphabetization.  WePay was out of
order.  Line 117.
 * Correct Markdown. Spaces for Clairvoyant and
Clover Health were inconsistent with the rest of
the document and markdown standards.  Lines 89 and
90.

Closes #1733 from drknexus/master

stverhae/incubator-airflow,forevernull/incubator-airflow,nathanielvarona/airflow,jlowin/airflow,fenglu-g/incubator-airflow,lxneng/incubator-airflow,spektom/incubator-airflow,NielsZeilemaker/incubator-airflow,mistercrunch/airflow,RealImpactAnalytics/airflow,mylons/incubator-airflow,jlowin/airflow,sekikn/incubator-airflow,jhsenjaliya/incubator-airflow,subodhchhabra/airflow,sid88in/incubator-airflow,akosel/incubator-airflow,sid88in/incubator-airflow,sdiazb/airflow,skudriashev/incubator-airflow,stverhae/incubator-airflow,apache/incubator-airflow,artwr/airflow,asnir/airflow,jhsenjaliya/incubator-airflow,caseyching/incubator-airflow,Acehaidrey/incubator-airflow,akosel/incubator-airflow,jgao54/airflow,edgarRd/incubator-airflow,danielvdende/incubator-airflow,airbnb/airflow,KL-WLCR/incubator-airflow,N3da/incubator-airflow,aminghadersohi/airflow,andyxhadji/incubator-airflow,saguziel/incubator-airflow,MortalViews/incubator-airflow,Fokko/incubator-airflow,zoyahav/incubator-airflow,apache/incubator-airflow,sergiohgz/incubator-airflow,mrares/incubator-airflow,asnir/airflow,wileeam/airflow,gilt/incubator-airflow,cfei18/incubator-airflow,OpringaoDoTurno/airflow,plypaul/airflow,zoyahav/incubator-airflow,vineet-rh/incubator-airflow,dmitry-r/incubator-airflow,ledsusop/airflow,danielvdende/incubator-airflow,kerzhner/airflow,dgies/incubator-airflow,bolkedebruin/airflow,Acehaidrey/incubator-airflow,adamhaney/airflow,jlowin/airflow,ronfung/incubator-airflow,mtdewulf/incubator-airflow,holygits/incubator-airflow,vineet-rh/incubator-airflow,danielvdende/incubator-airflow,DinoCow/airflow,easytaxibr/airflow,holygits/incubator-airflow,airbnb/airflow,andyxhadji/incubator-airflow,preete-dixit-ck/incubator-airflow,preete-dixit-ck/incubator-airflow,yk5/incubator-airflow,btallman/incubator-airflow,jiwang576/incubator-airflow,NielsZeilemaker/incubator-airflow,gtoonstra/airflow,OpringaoDoTurno/airflow,artwr/airflow,jiwang576/incubator-airflow,MortalViews/incubator-airflow,mistercrunch/airflow,lyft/incubator-airflow,bolkedebruin/airflow,caseyching/incubator-airflow,mtagle/airflow,wolfier/incubator-airflow,malmiron/incubator-airflow,r39132/airflow,aminghadersohi/airflow,hamedhsn/incubator-airflow,gtoonstra/airflow,hamedhsn/incubator-airflow,sid88in/incubator-airflow,mattuuh7/incubator-airflow,brandsoulmates/incubator-airflow,mrares/incubator-airflow,mattuuh7/incubator-airflow,cjqian/incubator-airflow,Tagar/incubator-airflow,mtdewulf/incubator-airflow,yati-sagade/incubator-airflow,RealImpactAnalytics/airflow,cademarkegard/airflow,apache/airflow,ProstoMaxim/incubator-airflow,cademarkegard/airflow,brandsoulmates/incubator-airflow,mrkm4ntr/incubator-airflow,jlowin/airflow,Acehaidrey/incubator-airflow,wolfier/incubator-airflow,ProstoMaxim/incubator-airflow,yati-sagade/incubator-airflow,vijaysbhat/incubator-airflow,zoyahav/incubator-airflow,r39132/airflow,jhsenjaliya/incubator-airflow,spektom/incubator-airflow,yk5/incubator-airflow,KL-WLCR/incubator-airflow,Tagar/incubator-airflow,sdiazb/airflow,MetrodataTeam/incubator-airflow,preete-dixit-ck/incubator-airflow,alexvanboxel/airflow,zodiac/incubator-airflow,vineet-rh/incubator-airflow,saguziel/incubator-airflow,asnir/airflow,cjqian/incubator-airflow,CloverHealth/airflow,ronfung/incubator-airflow,alexvanboxel/airflow,apache/airflow,cfei18/incubator-airflow,CloverHealth/airflow,ledsusop/airflow,vineet-rh/incubator-airflow,cfei18/incubator-airflow,Twistbioscience/incubator-airflow,gtoonstra/airflow,gilt/incubator-airflow,kerzhner/airflow,subodhchhabra/airflow,easytaxibr/airflow,mistercrunch/airflow,jgao54/airflow,mtdewulf/incubator-airflow,saguziel/incubator-airflow,malmiron/incubator-airflow,edgarRd/incubator-airflow,cfei18/incubator-airflow,alexvanboxel/airflow,cademarkegard/airflow,jfantom/incubator-airflow,janczak10/incubator-airflow,owlabs/incubator-airflow,OpringaoDoTurno/airflow,wndhydrnt/airflow,ledsusop/airflow,apache/incubator-airflow,rishibarve/incubator-airflow,ronfung/incubator-airflow,sergiohgz/incubator-airflow,sekikn/incubator-airflow,criccomini/airflow,wndhydrnt/airflow,DEVELByte/incubator-airflow,easytaxibr/airflow,sekikn/incubator-airflow,cfei18/incubator-airflow,malmiron/incubator-airflow,andrewmchen/incubator-airflow,lxneng/incubator-airflow,jfantom/incubator-airflow,mtagle/airflow,wooga/airflow,gritlogic/incubator-airflow,skudriashev/incubator-airflow,holygits/incubator-airflow,mrares/incubator-airflow,wndhydrnt/airflow,edgarRd/incubator-airflow,yk5/incubator-airflow,brandsoulmates/incubator-airflow,janczak10/incubator-airflow,nathanielvarona/airflow,Twistbioscience/incubator-airflow,cademarkegard/airflow,wileeam/airflow,AllisonWang/incubator-airflow,danielvdende/incubator-airflow,jfantom/incubator-airflow,akosel/incubator-airflow,akosel/incubator-airflow,holygits/incubator-airflow,owlabs/incubator-airflow,sid88in/incubator-airflow,jfantom/incubator-airflow,jbhsieh/incubator-airflow,cfei18/incubator-airflow,yati-sagade/incubator-airflow,zodiac/incubator-airflow,danielvdende/incubator-airflow,Fokko/incubator-airflow,DinoCow/airflow,wooga/airflow,CloverHealth/airflow,zack3241/incubator-airflow,forevernull/incubator-airflow,caseyching/incubator-airflow,criccomini/airflow,brandsoulmates/incubator-airflow,sdiazb/airflow,adamhaney/airflow,wooga/airflow,zodiac/incubator-airflow,criccomini/airflow,aminghadersohi/airflow,aminghadersohi/airflow,hamedhsn/incubator-airflow,rishibarve/incubator-airflow,janczak10/incubator-airflow,btallman/incubator-airflow,bolkedebruin/airflow,adamhaney/airflow,jesusfcr/airflow,andrewmchen/incubator-airflow,N3da/incubator-airflow,andyxhadji/incubator-airflow,caseyching/incubator-airflow,AllisonWang/incubator-airflow,gtoonstra/airflow,jgao54/airflow,wndhydrnt/airflow,DEVELByte/incubator-airflow,gritlogic/incubator-airflow,mrkm4ntr/incubator-airflow,preete-dixit-ck/incubator-airflow,Twistbioscience/incubator-airflow,plypaul/airflow,apache/incubator-airflow,jesusfcr/airflow,gilt/incubator-airflow,stverhae/incubator-airflow,sekikn/incubator-airflow,saguziel/incubator-airflow,subodhchhabra/airflow,fenglu-g/incubator-airflow,NielsZeilemaker/incubator-airflow,mtagle/airflow,edgarRd/incubator-airflow,KL-WLCR/incubator-airflow,subodhchhabra/airflow,btallman/incubator-airflow,hgrif/incubator-airflow,btallman/incubator-airflow,juvoinc/airflow,spektom/incubator-airflow,MortalViews/incubator-airflow,Acehaidrey/incubator-airflow,apache/airflow,yk5/incubator-airflow,lyft/incubator-airflow,jbhsieh/incubator-airflow,lxneng/incubator-airflow,r39132/airflow,OpringaoDoTurno/airflow,dmitry-r/incubator-airflow,jesusfcr/airflow,jgao54/airflow,cjqian/incubator-airflow,ProstoMaxim/incubator-airflow,artwr/airflow,gilt/incubator-airflow,DinoCow/airflow,Tagar/incubator-airflow,nathanielvarona/airflow,janczak10/incubator-airflow,MetrodataTeam/incubator-airflow,easytaxibr/airflow,hgrif/incubator-airflow,stverhae/incubator-airflow,nathanielvarona/airflow,forevernull/incubator-airflow,juvoinc/airflow,AllisonWang/incubator-airflow,Fokko/incubator-airflow,airbnb/airflow,fenglu-g/incubator-airflow,jhsenjaliya/incubator-airflow,jbhsieh/incubator-airflow,ronfung/incubator-airflow,skudriashev/incubator-airflow,forevernull/incubator-airflow,kerzhner/airflow,cjqian/incubator-airflow,hamedhsn/incubator-airflow,plypaul/airflow,ledsusop/airflow,Fokko/incubator-airflow,Twistbioscience/incubator-airflow,N3da/incubator-airflow,mtagle/airflow,N3da/incubator-airflow,rishibarve/incubator-airflow,mtdewulf/incubator-airflow,mylons/incubator-airflow,adamhaney/airflow,adrpar/incubator-airflow,dmitry-r/incubator-airflow,dhuang/incubator-airflow,vijaysbhat/incubator-airflow,adrpar/incubator-airflow,wooga/airflow,mylons/incubator-airflow,AllisonWang/incubator-airflow,skudriashev/incubator-airflow,Acehaidrey/incubator-airflow,apache/airflow,zack3241/incubator-airflow,MetrodataTeam/incubator-airflow,asnir/airflow,adrpar/incubator-airflow,jiwang576/incubator-airflow,dgies/incubator-airflow,juvoinc/airflow,NielsZeilemaker/incubator-airflow,mylons/incubator-airflow,DinoCow/airflow,owlabs/incubator-airflow,ProstoMaxim/incubator-airflow,yati-sagade/incubator-airflow,mrkm4ntr/incubator-airflow,RealImpactAnalytics/airflow,owlabs/incubator-airflow,sergiohgz/incubator-airflow,wolfier/incubator-airflow,apache/airflow,kerzhner/airflow,zack3241/incubator-airflow,airbnb/airflow,bolkedebruin/airflow,wolfier/incubator-airflow,malmiron/incubator-airflow,criccomini/airflow,dgies/incubator-airflow,MetrodataTeam/incubator-airflow,sergiohgz/incubator-airflow,vijaysbhat/incubator-airflow,rishibarve/incubator-airflow,danielvdende/incubator-airflow,dhuang/incubator-airflow,gritlogic/incubator-airflow,sdiazb/airflow,bolkedebruin/airflow,wileeam/airflow,gritlogic/incubator-airflow,nathanielvarona/airflow,artwr/airflow,lyft/incubator-airflow,juvoinc/airflow,vijaysbhat/incubator-airflow,nathanielvarona/airflow,zack3241/incubator-airflow,alexvanboxel/airflow,dmitry-r/incubator-airflow,lyft/incubator-airflow,zodiac/incubator-airflow,mattuuh7/incubator-airflow,CloverHealth/airflow,hgrif/incubator-airflow,adrpar/incubator-airflow,mrkm4ntr/incubator-airflow,dhuang/incubator-airflow,andrewmchen/incubator-airflow,mrares/incubator-airflow,andyxhadji/incubator-airflow,lxneng/incubator-airflow,zoyahav/incubator-airflow,plypaul/airflow,jiwang576/incubator-airflow,wileeam/airflow,dgies/incubator-airflow,RealImpactAnalytics/airflow,Acehaidrey/incubator-airflow,DEVELByte/incubator-airflow,hgrif/incubator-airflow,fenglu-g/incubator-airflow,jbhsieh/incubator-airflow,r39132/airflow,mistercrunch/airflow,DEVELByte/incubator-airflow,KL-WLCR/incubator-airflow,jesusfcr/airflow,andrewmchen/incubator-airflow,apache/airflow,Tagar/incubator-airflow,mattuuh7/incubator-airflow,spektom/incubator-airflow,dhuang/incubator-airflow,MortalViews/incubator-airflow