better error message
removed backslash from example config
moved first creation of plugins.php to installer
fix for sidebar userlock
Merge pull request #372 from daeks/crit_sidebar

Bugfix: fix for sidebar userlock
shorter way to remove backslash
initialize path
Merge pull request #371 from daeks/367

Bugfix: Can't open file on fresh install
Merge remote-tracking branch 'upstream/master' into 369