For better continuity, renamed some chromium extensions. Removed github chromium extension (not very usefull, glorified bookmark tree). Updated Menulibre (Menu Editor) to latest stable version. Updated Inkscape, Audacity and Ubuntu Builder to latest stable releases. Modified Menulibre XML and dialogs to generic "Menu Editor". Added google calendar chromium extension. Removed gistbox desktop file from applications menu and added gistbox chromium extension. Added Google Docs Templates chromium extension. Updated google hangouts chromium extension to latest version. Added Tweetdeck chromium extension. Added google my theme chromium extension (allows users to modify chromium theme). Added google drive notepad chromium extension.