add a non-primary interface : user to select for virtual or physical interface (set...

add a non-primary interface : user to select for virtual or physical interface (set ifname/alias)
thoroughly rewrote the add-interface add-node javascript helpers
form interface has changed, method now passed as part of an options hash, new options now supported
more focused redirections after actions (prrof-of-concept, needs more work)
node view mentions the number of tags for each interface for faster checks