empty map contains valid directory entry (removing it will not remove all maps)

frontend-js/.idea/frontend-js.iml

@@ -9,5 +9,7 @@
     </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="chai-DefinitelyTyped" level="application" />
+    <orderEntry type="library" name="js-cookie-DefinitelyTyped" level="application" />
   </component>
 </module>
\ No newline at end of file

persist/src/db/11.0.3/fix_db_20171017.sql

+UPDATE project_table SET directory = 'a2e4822a98337283e39f7b60acf85ec9' WHERE project_id='empty' and (directory is null or directory='.');