Deleted method loadInteractions() from 
IL1FactorGraph() - no longer needed since we are 
using the simple directed graph structure
Renamed class IL1FactorGraph to IL1FactorGraphConstructor()
Edited method loadFactors() to include calling 
iterate() method from FactorValueAssignment to get 
all possible state combinations
Edited method loadFactors() - removed code that added 
current vertex/variable to list of factor variables
Created file for CCLE Drug Targets
Edited method loadFactors() to include current 
variable in .setVariables section
Merge branch 'master' of https://github.com/ablucher/PGM-IL1.git

Conflicts:
	PGM_IL1_workspace/src/edu/ohsu/bcb/pgmIL1/IL1FactorGraph.java