Fixes #146 - LegacySSL setting for messenger.
Fixes #137 - error when searching task instances.
Fixes #139 - not all api error message set the proper HTTP header.
run task API error won't show a space if default version is used.
icon for new Cato API command, new home icon.
API: run_task will no longer return an error if output_format isn't specified.
took a useless try block out of add_task_instance
Fixes #148 - reset_password won't send an email if no email address is defined.  It will write a warning in the log instead.
Fixes #135 - scheduler and poller settings save without error.
Fixes #140 - normalized documentation for import_backup
Fixes #102 - Schedule can now save and close the dialog without errors.

Was a leftover bit of ecosystem_action stuff needing cleanup.
API - create_application_template now accepts Description and has better doc.
Ties to Maestro # 153 - template name/version/description editable in the UI.
Closes #91 - API/command to export Tasks
Compliments #91 - API command to get all Tasks referenced by an Application Template. (useful for export)