Added sample tests to floating-ip-pools API.

Partially implements blueprint nova-api-samples
Fixes bug 1070165

Change-Id: Ia7d99354ae815cdd8a41b012f568877751a3d8bd
Fix bad imports that cause nova-novncproxy to fail

Looks like it was introduced with
Iddba07ff13e10dc41a6930749044bb8c0572d279

Fixes LP# 1104907

Change-Id: Ie0c01af62a7fd20a6021b3c6fe89af88585e2fb2
Merge "Added sample tests to floating-ip-pools API."