fixed issue #394
experimental branch now uploading to S3
updated README to provide more information about this releaase
added link to 0.3 issues to track progress
0.3, Forming right redirect url for enterprise

This fixes redirect loop for github enterprise users.

But I still got `Error retrieving currently authenticated GitHub user. Unauthorized` error.
Merge pull request #407 from floatdrop/patch-1

0.3, Forming right redirect url for enterprise
setting the github client API url for github enterprise
added email notifications
initial work to re-implement the GitHub status API (issue #403)
github status API now functioning properly
fixed missing dep in Makefile
improved email subject
some minor changes to make more responsive
removed commit progression arrow on cell phone
Update hook.go

added logging when post-commit hook received
Update filters.js

fixed issue w/ github enterprise and not display correct URL path
Merge branch 'exp' of https://github.com/drone/drone into exp-gitlab
Add SetActivate to gitlab remote