Add a vulnerability_found event for notice when we detect a vuln

Fixes #637

Note: This PR does *not* actually raise the event; it merely adds support for it

data/migrations/versions/50925110da8c_add_event_specific_config.py

@@ -14,7 +14,6 @@ from alembic import op
 import sqlalchemy as sa
 from util.migrate import UTF8LongText
 
-
 def upgrade(tables):
     ### commands auto generated by Alembic - please adjust! ###
     op.add_column('repositorynotification', sa.Column('event_config_json', UTF8LongText, nullable=False))

initdb.py

@@ -95,7 +95,7 @@ def __create_subtree(repo, structure, creator_username, parent, tag_map):
       for path_builder in paths:
         path = path_builder(new_image.storage.uuid)
         store.put_content('local_us', path, checksum)
-    
+
     new_image.security_indexed = False
     new_image.security_indexed_engine = maxsize
     new_image.save()