Make Battleaxe level as weapon

The Battleaxe is listed as a weapon but extends HarvestTool rather than Weapon so does not get exp when used as one.
add group to gradle.build
More gradle buildscripting
Added missing artifact for buildscript >_<
Merge pull request #1 from TheOldOne822/patch-1

Make Battleaxe level as weapon. Thanks TheOldOne :)
Merge remote-tracking branch 'origin/master' into devel
Treat Battleaxe as weapon instead of harvest tools when giving out random bonuses
Fix a bug that caused some modifiers to never be chosen. Like Redstone on a Pickaxe.
Localize Levelup Strings