Bug 1014142 - URL Keyboard follow the specs 2.0

- Update bottom row behavior for input (type: url) based on
  "Keyboard Layout & Behavior for Phone - Version 2.0 [May 27, 2014]".
- Update test. The bottom row don't have the ".com" key anymore.
Merge pull request #19498 from r-gaia-cs/bug-1014142

Bug 1014142 - URL Keyboard follow the specs.
r=rudylu
Merge branch 'master' of github.com:mozilla-b2g/gaia into Bug1018819