REST API endpoint streamlining and cleanup (#133)

* Consolidate engine_info api calls

* Change api methods to use POST when possible

* Delete engine API cleanup

* Remove redundant installed_engines endpoint

* Update proxy to use similar named methods to new API calls

* More API cleanup

* Jobs API cleanup

* More jobs API cleanup

* Fix add jobs error due to null queue

* Remove unnecessary full_status and snapshot API endpoints

* Streamline add job POST endpoint

* Fix test after method name change

src/distributed_job_manager.py

@@ -172,7 +172,7 @@ class DistributedJobManager:
                     subjob_id = child_key.split('@')[0]
                     subjob_hostname = child_key.split('@')[-1]
 
-                    subjob_data = RenderServerProxy(subjob_hostname).get_job_info(subjob_id)
+                    subjob_data = RenderServerProxy(subjob_hostname).get_job(subjob_id)
                     if not subjob_data:
                         logger.warning(f"No response from {subjob_hostname}")
                         parent_job.children[child_key]['download_status'] = f'error: No response from {subjob_hostname}'
@@ -260,7 +260,7 @@ class DistributedJobManager:
         subjob['engine_version'] = parent_worker.engine_version
         logger.debug(f"Posting subjob with frames {subjob['start_frame']}-"
                      f"{subjob['end_frame']} to {server_hostname}")
-        post_results = RenderServerProxy(server_hostname).post_job_to_server(
+        post_results = RenderServerProxy(server_hostname).create_job(
             file_path=project_path, job_data=subjob)
         return post_results
 
@@ -276,7 +276,7 @@ class DistributedJobManager:
             host_properties = ZeroconfServer.get_hostname_properties(hostname)
             if host_properties.get('api_version') == API_VERSION:
                 if not system_os or (system_os and system_os == host_properties.get('system_os')):
-                    response = RenderServerProxy(hostname).is_engine_available(engine_name)
+                    response = RenderServerProxy(hostname).get_engine_availability(engine_name)
                     if response and response.get('available', False):
                         found_available_servers.append(response)