Version bump

* Themes: Custom WebKit scrollbar styles
* Themes: Small fixes for custom input element styles
* Core: Remove Settings namespace
* Core: Moved default settings method to API.getDefaultSettings()
* Core: Removed Drivers namespace
* Core: Moved 'indexed-db' to Helpers
* Core: Moved 'google'api' to Helpers
* server-php: Bugfix for osjs:/// file reading (i forgot decoder)
* CoreWM: Fixed WindowSwitcher
* CoreWM: You can now DnD on to Windows in PanelItemWindowList, including peeking
* GUI: Removed input tabindex (set to -1 for disable)
* Windows: Added real tabindex (custom code)
* jslint and small cleanups
* DefaultApplication: Fixed save dialog default path