add scenario test for remove web site job
scenario test for remove web job
Stop continuous job before remove
Merge branch 'dev' into Removejob
adsorb the api change which drops the support of -SingleTon, also add retry when try to stop a web job
adjust comment wording
address review feedback
Merge pull request #2283 from yugangw-msft/Removejob

PS sceanrio test for Remove web job
Merge pull request #2286 from WindowsAzure/dev

Merge dev into release