deleted subsets for better performance.
test
ADD stemming - short words
ADD Part of step 2
Step4
Merge remote-tracking branch 'origin/stemming'

Conflicts:
	assignment1/src/main/java/tuwien/ir/assignment1/vocabulary/VocabularyImpl.java
FIX
FIX with double letter checker
Merge branch 'master' of https://github.com/jamesoliverband/IR_Excersises_group01_2014SS