Remove unused Project#code function.
Disallow POST to compare: does not create objects
ruby 2.1.5 in .ruby-version
Teamcity interaction using 8.1 rest api
Merge pull request #8435 from chulkilee/ruby-2.1.5

ruby 2.1.5 in .ruby-version
Merge pull request #8439 from glasspelican/Teamcity

Teamcity integration using 8.1 rest api
Merge pull request #7989 from cirosantilli/match-compare-to-get

Disallow POST to compare as it does not create objects
Merge pull request #7957 from cirosantilli/rm-unused-project-code

Remove unused Project#code function [failure unrelated]
Allow a user to specify a channel and username for the slack-webhook