Obtain candidate list in main thread to avoid cross thread access to gui component. Closes #1783.
Return all items.
ConfigFile.GetConfigSections() transformed to property
Heads renamed to Refs when appropriate
Partially revert "ConfigFile.GetConfigSections() transformed to property"
DateTime format moved to function GitCommandHelpers.GetFullDateString(). Refs #1782
Removed dot from message generated for submodules
remove nuget restore packages for non windows for now
Merge pull request #1786 from fraga/fixMoreMonoBuild

remove nuget restore packages for non windows for now
Separate methods for nullable enums.
Merge remote-tracking branch 'gitextensions/master' into BuildServerIntegration

Conflicts:
	GitUI/UserControls/RevisionGrid.cs
Replace .Count > 0 with .Any() for readability.