0.8.1: Iconfont a11y fix (yellowled)

0.8: Adapt backend to 2.x (yellowled)

0.7: Fetch jQuery without protocol

0.6: Fetch jquery via https

0.3:

    * Check if template directory is writeable
    * Don't save php-files with syntax-errors
    * Show link to template_editor also if there are no template options

0.2:

    * Changed necessary right to only "siteConfiguration"
    * Bugfix: Some translation-variables had the wrong name
    * Bugfix: Delete didn't work with files which had multiple "."
    * Made images deletable
    * Added Uploadbutton
    * Added Rename function
    * Minor usability improvements