Rename the midonet_port extension to port

Change-Id: I965a8eb437897503edb9e9af3a33b1c316aca69f
Change route Extension name to routing_table

Change-Id: If4cc50bda0f20dee01b21850d015c2ef6327d3c2
Merge "Rename the midonet_port extension to port"
Merge "Change route Extension name to routing_table"
Update README with more info

Add packaging and installation info
Fix typo in README

Fix typo in README
More cleanup in README

More cleanup in README
Add unit tests for generate_methods

This patch adds unit tests for midonet.neutron.common.util.

Change-Id: I267e1502cfaea9321b8a53f67ed5e6e6dc2d7fc8
Signed-off-by: Taku Fukushima <tfukushima@midokura.com>