Switch Juniper to use execute_generic_ssh when using CLI mode.

- To allow for commands to be run serially such as in config mode
Admin groundwork for contrib xmlrpc server
Server code and Twisted plugin for xmlrpc server
Super basic example of xmlrpc server.
No idea what changed here...
Adding legacy ACL tools and A10 API sample client
Merge branch 'xmlrpc' into issue-76

Conflicts:
	trigger/__init__.py