Added Help menu with several items
Added functions to launch various URLs associated with the Help menu
Renamed User Guide link to prevent confusion
Try to fix core data crashes on import again.
Merge pull request #966 from okdana/enhancement/help-menu-v1

Issue # 893: Add Help menu
Cleaning up after @okdana :P
 Set Nearest Neighbor as default filter if the current one is not available

Both in Preferences/Global and per core (+ selection)
Cleanup on last commit
Update TwoMbit submodule
Merge pull request #971 from loicloic/master

Set Nearest Neighbor as default filter if the current one is not available
Lazy fix for lion controls setup animation issues. (Fixes #825).
Game scanner starts counting at 1.
Make sure all documents are saved if the user asked us to quit the app.
Remove two unused experimental system plugins from build target
Set version 1.0.1
Update Nestopia submodule
Update Nestopia submodule
Update picodrive submodule
Only send systemIdentifier string to sizeOfROMHeaderForSystem lookup
Add support for game info lookups on filename-dependent systems (Arcade)