Updated post detail view toolbar to use holo/genericon icons. Also set buttons to be standard width/height. Fixes #734
Merge pull request #1127 from wordpress-mobile/issue/734-icon-updates

Updated post detail view icons.
Merge branch 'develop' of github.com:bummytime/WordPress-Android into feature/new-drafts

* 'develop' of github.com:bummytime/WordPress-Android:
  Updated post detail view toolbar to use holo/genericon icons. Also set buttons to be standard width/height. Fixes #734