Long Press on Back and Forward

Bug 1109653 - Long press on back or forward should present previous
visits - https://bugzilla.mozilla.org/show_bug.cgi?id=1109653
Create AUTHORS
Remove empty method
Merge pull request #56 from palewar/palewar

Bug 1109653 - Long press on back or forward should present previous visits
Open TabBarViewController from URL bar
TabBarViewController cleanup
Remove TabBarViewController XIB
Move URL text field into TabBarViewController
Merge pull request #52 from thebnich/home-screen

Bug 1112411 - Use TabBarViewController as home screen
No bug - Clean up trailing whitespace

Removes trailing whitespace added in commit 799b2fd8.
Update README.md to include style guidelines
Follow-up markdown changes to README.md
Bug 1109647 Add progress loading