quick fix

quick fix so you can run the mod out of the development environment! :D
trianglecube36:
  added @ stuff like MCVersion to the loading plugin
  quick fix to the mappings
  added executable bit to gradlew (makes it easer for dev's running Linux)
  added comment to NameMapper about an idea for a long term fix! <-- pls see it!
Merge pull request #8 from trianglecube36/quickFix

Moved mappings from Notch names to SRG.