Fixing minor template bug in participant list
Removing participant_list template

This template is identical to its parent template in the Cenozo
framework, so it can be removed from Mastodon.
Fixing bug in service_participant_release

Can't use an empty array when using a modifier, sending an empty
string in the array instead.
Adding new service "release_based" functionality

It is now possible to define a service as not requiring participants to be explicitely released
before they are available to that service.
Merge remote branch 'origin/release' into develop
Adding new search participant utility

Allows for complex search of participant based on address, phone, participant and note details
Merge remote branch 'origin/develop' into qa