Added the transport option as a supported handler type for Sensu 0.13
Fix sensu_handler and others from recreating each run

Make it more like sensu_check which has a conf method. Looks like these
were fixed at some earlier stage. The problem is that
resource[:base_path] doesn't exist when the initializer is called.
remove un-needed initalizers
Merge pull request #224 from johnf/fix_conf_base_path

Fix conf base path
Merge pull request #222 from solarkennedy/0.13_handlers

Added the transport option as a supported handler type for Sensu 0.13
Updated to v1.1.0
Added metadata.json file
Add custom parameter to subscriptions