initial commit for of_aux support
add debug log for aux id on remove
incase of any cxn disconnect remove all aux cxn's and retry only on main cxn
dont free the request object in the message handler
wMerge branch 'master' of git://github.com/floodlight/indigo into cxn

Conflicts:
	modules/OFConnectionManager/module/src/ofconnectionmanager.c
fix wrong merge
fix merge issue
fix merge issue again
fix active controllers macro bug
add cxn debugs to include aux id
resolve review comments
remove paranoid null checks with asserts
resolve review comments-2
Merge into master from pull request #94:
Support for multiple auxiliary channels to a controller (https://github.com/floodlight/indigo/pull/94)