[client] Move creating HatonolNavi from each template to base_ajax.html.

And remove needless "navbar" blocks.
[client] Sorry, I forgot to remove needless code at 1c3c7fb
Merge branch 'issue58-3'
[DBClientHatohol] Enable to specify events table name to EventQueryOption.

It's required because caller uses alias. This commit fixes failed
tests broken by 556f1d5.

TODO:
  * Add tests for it
  * host_group_id isn't cared yet
Merge branch 'issue58-3'