Updated Permissions.java

Created more spawner permissions
Updated SignActionSpawn.java

Updated to include new permissions.
SignActionSpawn Precompile Bugfix

Eclipse threw some errors with the previous commit. This fixes them.
Reordered if statement

Permission denials were being flagged after the 'You made a train spawner' message popped up. Being swapped, this hopefully will fix it. If not, it's a benign change.
Merge pull request #18 from belph/master

Added More Detailed Permissions to Spawner Signs