Simplified return statements.
Fixed some code style issues.
Fixed redundant local vars.
Fixed instance reference for static member.
Fixed typo in variable names.
Cleaned up unused imports.
Fixed unnecessary for loops by converting to foreach.
Reorganised imports again.
Removed empty body method.
Fixed variable name and improper operator.
Compressed if statements, removed unused vars.
Changed redundant for into foreach
Cleaned up javadoc issues.
Cleaned up redundant array creation.
Corrected some redundant type casting.
Removed unused variable
Simplified calculations.
Prefixed item classes with Item and block classes with Block.
Prefixed ores and fluids with Block and Fluid respectively
Changed AntiGravity to adhere to naming convention