jslint update
Merge branch 'alpha' of github.com:thehogfather/pvsio-web into alpha

# By Paolo Masci
# Via Paolo Masci
* 'alpha' of github.com:thehogfather/pvsio-web:
  refactored Model Editor name (TextEditor -> ModelEditor)
Addresses #152
Correctly implemented fileExists method in ProjectManager
removed FileTreeView.fileExists