deprecate wurlf.xml based approach
reconnect t memcached when it goes away briefly
wait for client to connect before continuing
Merge branch 'feature/issue-9-deprecate-wurfl-xml-approach' into develop

Conflicts:
	README.rst
Merge branch 'develop' of github.com:praekelt/device-proxy into develop
Merge pull request #7 from praekelt/feature/issue-7-survive-memcached-restart

devproxy doesn't survive memcached restart
Remove wurfl_devices.py from manifest exclude
Merge pull request #15 from praekelt/feature/issue-14-wurfl-devices-missing

Remove wurfl_devices.py from manifest exclude
Merge with develop