1.First commit for trema-adapter.
1. Modify README
remove useless readme
Merge remote-tracking branch 'upstream/dev' into trema-uds
move the READEME
1.Add trema_modules which support OF1.3 and UDS
rename restful interface
modify field name
1.Adding flow_mod modules for UDS entries
2.Add http Method (Options) in core
3.Add some restful api for UDS
	- Get: uds/:request (support "get" now)
	- PUT: uds/add, uds/del
Merge remote-tracking branch 'upstream/dev' into trema-uds
Merge pull request #49 from hwchiu/trema-uds

UDS - Core and Adapter part