update to documentation, few minor fixes to code
fixed documentation conflict
Bumped up Cloud9 to 1.4.9
Added TODO.
Merge branch 'master' of https://github.com/ferhanture/Ivory into working
featuregen code
unit tests
updating readme file
Print features to a file
integration test; sample data files
updated readme
Merge branch 'cdh-upgrade' into feature-extraction
Merge branch 'master' into working

Conflicts:
	.classpath
	ivy/ivy.xml
Fixed warnings.
Merge branch 'master' into feature-extraction
Fixed integration paths.
Merge branch 'working' into feature-extraction
Fixed Ivy issues.
Merge branch 'working' into feature-extraction
fixed runtime issues