Fix typo in documentation
Merge pull request #14 from Chetane/fix-doc-typo

Fix typo in documentation
Add log append endpoint for JobSteps

Summary:
```
POST /api/0/jobsteps/:step_id/logappend/
  source=stdout&
  offset=0&
  text=hello+world

Reviewers: ar, rajat

Reviewed By: rajat

Differential Revision: https://tails.corp.dropbox.com/D56283
Remove unused test fixture code
Optional artifact storage via s3

Subscribers: cf

Differential Revision: https://tails.corp.dropbox.com/D36821
Lock in jquery resolution
add latest_green_build table, set it for actual latest green builds for both hg and git

Test Plan: unit tests

Reviewers: cramer

Reviewed By: cramer

Differential Revision: https://tails.corp.dropbox.com/D55837
Correct fetch_artifact signature on collector steps
Correct collector and test collector artifact usage
Update latest green build migration
Correct error logging for commit scheduler
Remove unicode_literals usage
Fix for linter
Adding /api/0/jobsteps/allocate/.