Finished refactoring, starting error fixing

The packages are finished, however errors still need to be
fixed/organized.
Fix syntax errors, cleanup
Re-added PriestTradeHandler
Move all sources to src/main/java
Rename main package com.minestrappolation
Move all assets to src/main/resources
Update build.gradle
Update .gitignore
Remove gradle wrapper
Fixed crashes
Refactoring
Merge assets
Create en_US.lang
Fixed world gen crash
Removed MinestrappolationCore creative tab
Minor changes
Adapted to latest Clashsoft API
Merge branch 'modpack-merge'