Add missing leapp logger to logger.conf

- framework is using the 'leapp' logger which was not being configured in the conf file
- it caused certain commands to get stuck on RHEL 7 when leapp package (with the
  conf file) was installed, e.g. `snactor workflow sanity-check ipu`

Author: bocekm

etc/leapp/logger.conf

@@ -1,5 +1,5 @@
 [loggers]
-keys=urllib3,root
+keys=urllib3,root,leapp
 
 [formatters]
 keys=leapp
@@ -18,8 +18,13 @@ qualname=urllib3
 handlers=stream
 
 [logger_root]
-level=DEBUG
+level=NOTSET
+handlers=stream
+
+[logger_leapp]
+level=NOTSET
 handlers=leapp_audit,stream
+qualname=compiler.parser
 
 [handler_leapp_audit]
 class=leapp.logger.LeappAuditHandler

leapp/snactor/context.py

@@ -10,7 +10,7 @@ def last_snactor_context(connection=None):
     Retrieves the last snactor-run context from the database. It generates a new one if none has been found.
 
     :param connection: Database connection to use instead of the default connection.
-    :returns: String representing the latest snactor-run context uuid.
+    :return: String representing the latest snactor-run context uuid.
     """
     with get_connection(db=connection) as db:
         cursor = db.execute('''