Merge pull request #38 from phobos182/master

Add standalone / aggregate to the sensu_check define.
add exchanges, mutators, handler cleanup
Merge pull request #39 from jlambert121/handlers_update

add exchanges, mutators, handler cleanup
sensu_check_config -> sensu_check, add sensu_check_config for config, all params in sensu::check
Merge pull request #40 from jlambert121/sensu_check_update2

Update checks
add flag to allow sensu to purge unmanaged config files
fix subscription recompilation every run
trailing whitespace cleanup
Merge pull request #41 from jlambert121/allow_confd_purge

add flag to allow sensu to purge unmanaged config files
Merge pull request #42 from jlambert121/subscription_update

fix subscription recompilation every run
Added nil? check for SensuCheck provider. Default values for aggregate / standlone to undef.