Merge pull request #241 from HubSpot/hs_staging

update hs_stable
don't clean up task app directory immediately
misunderstood -- print out command to execute
Merge branch 'hs_staging' into hs_stable
Merge branch 'hs_staging' into hs_stable
Merge branch 'hs_staging' into hs_stable
Merge branch 'hs_staging' into hs_stable
Merge branch 'hs_staging' into hs_stable
Merge branch 'hs_staging' into hs_stable
Merge branch 'hs_staging' into hs_stable
try not to process duplicate updates
Merge branch 'hs_staging' into hs_stable
Merge branch 'hs_staging' into hs_stable
make tmp folder in task directory
Merge branch 'hs_staging' into hs_stable
Merge branch 'hs_staging' into hs_stable
Added support for webhooks endpoint
catch Exception instead of SingularityClientException
Merge branch 'hs_staging' into hs_stable
Merge branch 'hs_staging' into hs_stable