Added GetBranches method
Return a more helpful error message in the event of a 404 due to an invalid refs path.
added followers qualifier
added created qualifier
location, repos and language qualifier added
added in qualifier
clean up - fixed incorrect link
added sort users
added merge params and params props
use the new Parameters property from hereon
better naming convention for sort
fixed code analysis issues
Added in qualifier tests
added o/s tests for search/users
fixed xml symbols

less than symbols were not being generated - subtle bug
added links for further reference
added documentation to get branches
Merge remote-tracking branch 'upstream/master'

Conflicts:
	Octokit/Helpers/ApiUrls.cs
FixProjects
Merge pull request #270 from goalie7960/master

Added GetBranches method