Set kibana cookbook to specific revision to avoid insanity

See the Changelog for v1.2.0 of lusis/chef-kibana:
https://github.com/lusis/chef-kibana/commit/f09e26a4c6c531c15e7a5bca232cd4bb48fe860d#diff-2
Switch to file-based install for Kibana; we don't need full source
Remove unneeded or deprecated config from Vagrantfile
Use Chef Omnibus instead of shell script