Add Publish to Webonary to File menu

 * LT-15367.

Change-Id: If75beb69bb022e5e78805a4c3d9aaa8c4775cc0a
Add Webonary to Export list

 * LT-15367.

Change-Id: I6ccf12fd7d9f80985b330d4a7dbb96a39448970e
Add copyright banners

Change-Id: Ic2ffa07dac1bb6665289c302b3fdff0cf4495b32