Check if the app is enabled and the app path is found before trying to load the script file
Fix some JSLint warnings
Fix a syntax error & have if-conds in an own line
Better ie8 multiselect
Add \OC_Appconfig Unittest
Add null and emptystring tests to check NOT NULL
Revert "Add null and emptystring tests to check NOT NULL"

This reverts commit c74f3d0b90227f95c1b6d21bbb7ee28561b67446.
Improve app-management

- Better error messages

- Translate untranslated strings

Basically picks non-app-dependency related stuff from #4017
Use setUpBeforeClass() and tearDownAfterClass()
fixes #4343
adding unit tests to determine length
adding unit tests for quota checks
final fix for xsendfile zip generation race condition
Log exception at the catching code
Merge branch 'master' into improve_app-management
Throw exceptions instead of only logging in \OC_Installer::installApp()
Fix octemplate string escaping.
update 3rdparty submodule
moving Dropbox and smb4php 3rdparty code over to the apps
update 3rdparty - openid moved