Settings controls draft
Add other type of settings (number and string)
Adapt settings container and GitPluginBase
Convert all plugins to new Settings management
Add a 'choice setting' (combobox)
adding reset to staged items in the commit dialog

should fix #2254
fixed keyboard shortcut "R" for both Unstaged/Staged lists
Merge branch 'pr/n2050_pmiossec'
Re-enable BranchGrid after it has finished loading.
#2294 fixed: Commit dialog hangs for hours on selecting or deselecting many files
updated to use _currentFileList
Merge pull request #2307 from bookman25/reset_staged_file

Reset staged file