Fix HTML closing errors
Open invitation setting

Closes #64
Fixup signup and settings template
fix for #70 to prevent caching build images
Fix Typo
Fixup behavior on uninstalled state
Merge pull request #82 from PatrickYevsukov/patch-1

Fix Typo
Merge remote-tracking branch 'origin/master'
Merge pull request #67 from floatdrop/open-invitations

Open invitation setting
Merge remote-tracking branch 'origin/master'
added code to prevent panic if /login is reached but no settings exist
minor styling. added success and fail message to top of /signup screen
modified open_registration to boolean value in database
make run now puts db in pwd, not /tmp. got sick of starting from scratch
Merge pull request #33 from phusion/master

Fix HTML closing errors
Added GitHubApiUrl and GitHubDomain to settings and template
Put values from settings into handler/auth.go
Use custom github domain for webhook
Update all github clients in code
Added settings to github_add page (fix redirect)
Fixed identation
Make IsGit check less strict