Brought the following plugins from CodingSpectator

edu.illinois.codingtracker.compare.helpers
edu.illinois.codingtracker.helpers
edu.illinois.codingtracker.jdt.project.manipulation
edu.illinois.codingtracker.operations
edu.illinois.codingtracker.replaying
Commented out hacked dependencies.

May result in null pointers when changes are replayed
Overwritten the initial plugins.

Overwritten the plugins from the master branch with the ones from the AST inferencing branch
Merge branch 'bringCodeFromASTInferenceBranch'