Merge pull request #87 from nextcloud/update-stable15-target-versions

Update stable15 target versions

Author: MorrisJobke

.drone.yml

@@ -8,7 +8,7 @@ pipeline:
     image: nextcloudci/php7.0:php7.0-2
     environment:
       - APP_NAME=survey_client
-      - CORE_BRANCH=master
+      - CORE_BRANCH=stable15
       - DB=sqlite
     commands:
       - wget https://raw.githubusercontent.com/nextcloud/travis_ci/master/before_install.sh

.travis.yml

@@ -6,7 +6,7 @@ language: php
 
 env:
   global:
-    - CORE_BRANCH=master
+    - CORE_BRANCH=stable15
     - APP_NAME=survey_client
 #  matrix:
 #    - DB=sqlite