NB Faculty Analytics v1.2

This updated version includes bug fixes:
- filtering is fixed
- landscape view of pages is supported

Features:
- number of participants
- total/average time per page (may need further investigation)
- ability to toggle on/off bars in chart (to be persistently color coded in the future)

and Improvements:
- annotations are lightly outlined
- smaller thumbnails (should load faster)
- style changes