js: use npm instead of bower

js: use npm instead of bower

Bower is considered deprecated, so switch to npm.

- Update all dependencies
- Use npm's version of mxgraph
- Use npm's version of jquery
- Use npm's version of plotly
- Fix mxgraph to use styles and images from the correct location
- Removed random csrf token input in nav bar and use js to get csrf
token
- Remove all calendar and some resource files since they were not used

Change-Id: I30d6bd91cded9547caa4c0a5247cd9f214fe9798
Signed-off-by: Jeremy Plsek <jplsek@iol.unh.edu>