Added missing @Override annotations with Eclipse
Deleted unused imports
Merge remote-tracking branch 'upstream/rv2' into rv2
Fixed some warnings about unnecessary code
Deleted unnecessary casts with Eclipse
Merge remote-tracking branch 'upstream/rv2' into rv2
Merge remote-tracking branch 'upstream/rv2' into rv2

Conflicts:
	src/main/java/appeng/items/tools/powered/ToolMassCannon.java
Deleted some parens and fixed indentation
Merge pull request #171 from iloveportalz0r/rv2

Fixed lots of warnings (mostly redundant code)
Added checks for null and equal class to .equals()

Also switched a check for null in OreHelper#sameOre to prevent null ==
null => true
Fixed typo in SyncData
Merge pull request #189 from yueh/typos

Fixed typo in SyncData
Update CONTRIBUTING.md
Update CONTRIBUTING.md

Removed urls cause they were not parsed in ```sections
Update CONTRIBUTING.md

And for pastebin
Merge pull request #188 from yueh/cleanup-code

Added checks for null and equal class to .equals()
Replaced normal for loops with foreach loops which is less error prone when just iterating over collection/array
Resolved conflict