Version bump

NOTE: There is a bug in VFS causing copy of cleartext to OS.js not working properly

* VFS: Now always transfers files using ArrayBuffer if possible
* VFS: google-drive - Now caches filetree for a certain amount of time
* VFS: google-drive - Rewrote filetree handling. Solved all bugs
* VFS: google-drive - Updated locales
* VFS: dropbox - Minor improvments
* VFS: Improved copy between sources
* VFS: Cleanups
* CoreWM: Fixed contextmenu on panel
* CoreWM: Added option to invert IconView colors (uses background color)