MainWindow: fix crash.
ManeWindow: fix states menu.
Small codefix.
Git: revert_files is added.
StatusWidget: action revert selected is added.
Merge branch 'add_revert_files' into develop
Merge branch 'add_revert_files' into develop
Merge branch 'develop' of github.com:panter-dsd/PyGitGui into develop
Add icons.
StatusWidget: show icon for untracked files.
Replace PySide -> PyQt4. Fix signals and slots.
Git: checkout is added.
BranchesWidget: checkout is added.
Merge branch 'feature/AddCheckout' into develop
Git: create_branch is added.
Git: remote_branches return origin.
CreateBranchDialog is added.
BranchesWidget: add create branch.
Small fix.
Git: fix create_branch.