Add blank env and config files, check those permissions in the installer

.travis/deploy_script.sh

@@ -99,6 +99,10 @@ if [ "$TRAVIS" = "true" ]; then
     composer dump-autoload
     make clean
 
+    # Create a blank env.php file and config.php file
+    touch env.php; chmod 775 env.php
+    touch config.php; chmod 775 config.php
+
     echo "Creating Tarball"
     cd /tmp
     tar -czf $TAR_NAME -C $TRAVIS_BUILD_DIR/../ phpvms

modules/Installer/Config/config.php

@@ -17,6 +17,8 @@ return [
 
     # Make sure these are writable
     'permissions' => [
+        'env.php',
+        'config.php',
         'bootstrap/cache',
         'public/uploads',
         'storage',