* Rename Shortcut API to GlobalShortcut for better suite.
* Implement the new design interfaces.
* Put the chromium related source code to the same directory as in chrome.
Now we only uses GTK+ for app indicator and status icon, also notice the
in Chrome35 the Gtk2StatusIcon class doesn't exist yet so we shipp
related files under chromium_src, remember to delete them after upgraded
to Chrome36.
