Issue #1904716 by dagmar: Fixed Conflict with strongarm.
Issue #1891650 by dagmar: Fixed When Diff is installed 'In Sync' appears as a link.
Issue #1880484: Missing some trailing slashes dealing with tracked.inc file.
Issue #1885540: Configuration directory and files are not re-created in case the whole directory gets deleted.
Issue #1883688: Error message when no config in directory.
Issue #1883608: Required modules are not correctly detected for several field types.
Issue #1880484: All path should be taken without a trailing slash.
Issue #1877906: Having configuration_ui_theme() outside configuration_ui.module creates issues interacting with custom themes.
Issue #1866966: Error in importing permissions. This wil show an error message when having problems to import permissions and will not abort the process.
Issue #1875752 by dagmar: Abstract the filename of a configuration.