Correct binding delete function signature

Change-Id: Ife0860a624dc9860ccb40a7814e35521041ba9a8
Change the subnet ext into a midonet extension

Change-Id: I3c8cae71b7b42c0b1e2f960333dbf139908f54de
Add missing attributes and validations of BGPs

This patch adds the missing attributes and validations of
BGPs and AdRoutes.

Change-Id: Iad093e17ed29eb17ddc13c7be87890ed05df8751
Signed-off-by: Taku Fukushima <tfukushima@midokura.com>
Add API handlers of BGPs to MidonetPluginV2

This patchs adds the API handlers of BGPs and AdRoutes to the
core plugin with some additional tests.

Change-Id: I5b26a80648617f45c9b2bf0c57fe989644c3c378
Signed-off-by: Taku Fukushima <tfukushima@midokura.com>
Add more tests of generate_methods

This patch adds a test for the inharited and nested API handler.

Change-Id: Ia0a645d0743ae9a47efec1adc4583ff3dc6e15d6
Signed-off-by: Taku Fukushima <tfukushima@midokura.com>