Remove agent submodule
Added quark networking agent
RM7212: Fix allocation_pool construction

Start and end IPs of allocation pool were being unnecessarily offset,
which caused an exception when the requested allocation pool reached
the ends of the subnet's CIDR. Removed unnecessary offsets and added
functional unit tests.
Revert "RM9305"
Merge pull request #223 from rackerlabs/revert-220-rm9305

Revert "RM9305"
Revert "RM9305"
Merge pull request #224 from rackerlabs/revert-219-rm9305

Revert "RM9305"
Merge pull request #225 from asadoughi/agent_minus_submodule

Quark networking agent
Enforce subnets per ip version per network quota

RM#9096
Merge pull request #226 from rackerlabs/9096

Enforce subnets per ip version per network quota
Merge pull request #227 from asadoughi/fixrm7212

RM7212: Fix allocation_pool construction