order behaviours first
remove containerizer.proto as not required
use latest release of git://github.com/tomas-abrahamsson/gpb
up version number to 0.20.0
update proto files from 0.20.0 release
reworked the example scheduler to match against the new status update format
updated readme
Fixed up the executer to be started under supervision.
Prettify up the example_framework.erl.
Merge pull request #3 from mdevilliers/v20_dev

Mesos v20 with added Docker support