Moved all data processing scripts into 'pipeline' subfolder.
Renamed 'client-template' to 'client-src'. Updated git ignore list.
Updated v1.1 readme.
Updated v1.1 data processing pipeline.

Changed topic similarity computation to account for only frequent terms.
Minor bug fixes.
Updated v1.1 setup script.
Updated v1.1 client scripts.

Updated client code to use backbone js library.
Added the following UI functionalities:
- Select and color latent topics.
- Sort terms by topical frequency.
- Display top terms belonging to selected topics.