js: import jquery 2.1.1
inc/html: include jquery from local source

So we don't depend on a remote source.
Revert "make detail page accessible when using "canvas" graph_type"

This reverts commit 82d88098f4203cf7402d4faf5ad100cada70efaf.

Breaks async rendering, see
https://github.com/pommi/CGP/issues/106#issuecomment-66896905