Select first staged item if there is no unstaged item.
GitCommandsTest renamed to GitExtensionsTest. TranslationTest restored.
converting png images to 32-bit

fix incorrect gAMA
Merge remote-tracking branch 'upstream/master' into stableMono

* upstream/master:
  converting png images to 32-bit
  GitCommandsTest renamed to GitExtensionsTest. TranslationTest restored.
  Select first staged item if there is no unstaged item.
Support displaying submodules status icon
Owner fixed for apply stash dialog
Submodule status icon in menu fixed
Merge remote-tracking branch 'upstream/master' into stableMono

* upstream/master:
  Submodule status icon in menu fixed
  Owner fixed for apply stash dialog
  Support displaying submodules status icon