Registry and protocol handler change
Merge pull request #1075 from Gravecorp/test

Registry and protocol handler change
Reverted de76cb7e951d8fae527b33c5bf373c436803f6ab#diff-25478dca98d7d1b7e869d8c9fef8b567
Got octgn using the proper command when double clicking a .o8d, but it still doesn't use the right icon...
Merge branch 'master' of https://github.com/Soul1355/OCTGN