Use $QUAYPATH and $QUAYDIR in conf and init files

endpoints/api/superuser.py

@@ -32,6 +32,7 @@ from util.useremails import send_confirmation_email, send_recovery_email
 from util.license import decode_license, LicenseDecodeError
 from util.security.ssl import load_certificate, CertInvalidException
 from util.config.validator import EXTRA_CA_DIRECTORY
+from _init import ROOT_DIR
 
 
 logger = logging.getLogger(__name__)
@@ -179,7 +180,7 @@ class ChangeLog(ApiResource):
   def get(self):
     """ Returns the change log for this installation. """
     if SuperUserPermission().can():
-      with open('CHANGELOG.md', 'r') as f:
+      with open(os.path.join(ROOT_DIR, 'CHANGELOG.md'), 'r') as f:
         return {
           'log': f.read()
         }