Display debug menu by default

Easier for users who want to change the useragent and such.
- hide the javascript console

Change-Id: Ia4a993b31222f0562ed125cc0c4070a66c21095f
Reorg pieControls + add features

Change-Id: I0316add6896b7d58ebbdd325f52b33979384c2f0
Show labs fullscreen option on tablets too.

Change-Id: Ie7016ef7a67ffa5dc45c20c39a97c0a4e7a2f9e9
Go to top & bottom of page icons

Change-Id: I93fd53871616bee81e391037367f6d6b5921be19