[ADMIN_API]: Fix node status change in scheduler

DB driver needs ints cast correcly.  Also log error appropriately.

Change-Id: Ie35111c279e5bc37581a2e2026d3e689aabf698b
[MGM]: Add floating IP test

Tests to see if floating IP actually works after it is assigned.

Change-Id: I18c6e699ad11528d1b04d33885cdea7b4b381569