Support for QueueGetConfigRequest & QueueGetConfigReply

Load balancer 

Device moved notification has to be generated when the new attachment point was already in the oldAP list.

- now using thrift 0.7.0

another fix for directories with spaces

Improve handling of directories with spaces

Fix tabs in PortDownReconcilation and Test

Add an interface method to ITopologyService to get all the switches in the same openflow domain as a given switch id.

Fix for static flows pusher

Adjustment to attachment point logic.  If a device is learnt on OFPP_LOCAL of a switch, it will stay in that port until the switch is removed or the port goes down.  The attachment point of the device cannot be modified from OFPP_LOCAL, once assigned.

Static Flow Pusher optimizations and PacketOut buffer ID fixes

Also fixed an issue in Static Flow Pusher that would leave an orphaned flow if a static flow changed it's DPID.

FLOODLIGHT-30 - When deleting all entries put in by the static flow pusher for a specific switch or all switches   use a single delete based on matching the static flow pusher cookie instead of deleting each   flow individually.   Note: this means that flows mods are no longer hashed to have unique cookies.