Merge pull request #160 from sharrondenice/master

Merging fork to master 02/18/13 - 20:27 CST
don't allow issue search to fail with internal error
Merge remote-tracking branch 'origin/master'
fix issue 1760
Use correct pattern for inserting links when pressing the buttons
allow checking if modules are installed during install mode
upgrade mailing module during installation if mailing module is installed
show link to project settings as well as quick edit in overview
add support for ignoring certificate validation errors and plaintext auth (fixes issue #1657)
debug load via get, not post
add support for subscribing / unsubscribing users from issues
add support for receiving email notification when being subscribed to an issue (issue #642)
minor email change
allow searching for users in the quicksearch
debug code rmeoval
update caneditissueaccess() implementation
fix comment issues (#1758)
fix #1442
translation fix
indentation fix
use correct os detection for windows in cli (fixes #1645)