Classifier and Modeller
implemented two kinds of classifier: multilabel classifer and multiple
classifier
implemented a language modeller that will replace SRILM
Fixed crawler and added dummy models
issues with multi-line tweets. 
added dummy models
Moved CrawlerDriver
from default package to crawler package
Merge remote-tracking branch 'upstream/master'
Added OwlAPI

Owl 2.0
Conform to coding standard

Edited the file names, some implementations to make the code conform to
the coding standard (Tin)
Merge remote-tracking branch 'upstream/master'