Improve login experience

We make you feel gooood, maybe a little more now.
style login-warning
fix syntax
Also remove frontloader cache during setup. It helps.
Merge branch 'master' of github.com:aquaverde/aquarius-core
Truncate to 60 instead of 30 chars
Keep the username when the login fails, so it doesn't have to be retyped
Fix version display to use revision
Fix wrong url-rewriting to minifier
Fix Language list so it doesnt trip over when there are no active languages.
Allow previewing inactive languages

MAke require_active a standard parameter instead of having it as special flag on the detector.
Allsow allow links to content in disabled languages when previewing
Allow filtering pointings using filter sentence
Have a sensible configuration for the minifier
Show name of node that could not be loaded
Fix short open tags
Prepare maps module for update to API v3
Switch to API v3
make thumbnails bigger
Add Bootstrap Login