R1:872845cc6c5a

Improve branch table view with history link & other features

Summary: Add history column & history link per branch on branch table view, also later add some more features like last commit date, etc.

Test Plan: Checked if History column is in browser table view & history links are properly linked.

Reviewers: epriestley

Reviewed By: epriestley

CC: davidreuss, aran, Koolvin

Maniphest Tasks: T1201, T1202, T1200

Differential Revision: https://secure.phabricator.com/D2432