Merge pull request #63 from dongyemeng/master

Merge latest
CommaAnd has been completed. Not tested yet.
1) added a utility in DataHolder getSetnenceCount(). 2) added part of normalizeModifiers()
part of normalizeModifiers()
part of normalizemodifiers()
normalizeModifiers() finished. not tested yet.
1) part of finalizeCompoundModifier(). added a test case
finalizecompoundmodifier finish
some code
1) getMCount(). 2) isModifier()
added a test case of getMCount()
part of method finalizeCompoundTag()
method finalizeCompoundTag() finished
resolved a problem caused by encoding
normalizeTags() finished
part of normalizeItem()
normalizeItem() finished
added 3 test cases of normalizeItem()
added methods in adjectiveSubjectBootstrapping module. 2) added a int return value to handleAndOr() method.
added a utility untagSentences()