Check in web.py application and templates.

There are only two sample pages now.

Signed-off-by: Min Chen <minchnew@gmail.com>
Use table to visualize JSON data.

web.py defines a new template language. This patch created a simple
page in its template language.

Signed-off-by: Min Chen <minchnew@gmail.com>
Merge branch 'master' of github.com:minchnew/ovsdb-frontend

Conflicts:
	pica8gui.py
	templates/bridge.html
Connect to ovsdb-server through TCP/IP socket rather than Unix domain socket.

Database address is hard coded into dbclient.py. No root priviledge is
needed.

Signed-off-by: Min Chen <minchnew@gmail.com>