Filled out WorkerInfo, made barebones AbstractMapper and AbstractReducer
Merge branch 'master' of https://github.com/sgeisenh/440MapReduce

Conflicts:
	src/framework/MapJob.java
Revert "Filled out WorkerInfo, made barebones AbstractMapper and AbstractReducer"

This reverts commit 6b192bf552e7254a5647d52d0755ced213eb48ff.
Trying to synch with Sam