Added Treetagger-a language independent pos tagger.
Treetagger has three versions for three os-
1. tree-tagger-linux-3.2-64bit is for linux, 
2. TreeTagger is for windows
3. tree-tagger-MacOSX-3.2-intel is for mac

An example of featureset using tree-tagger is in
jsan/resources/feature_sets/writeprints_russian.xml

Added German and Russian function words.
Merge remote-tracking branch 'origin/jsan_master' into jsan_master