Enable tarantool module in .travis.yml

Author: Eugene Leonovich

.travis.yml

@@ -12,6 +12,7 @@ before_install:
 
 install:
     - sudo apt-get -y install tarantool php5-tarantool luarocks
+    - sudo php5enmod tarantool
 
     - mkdir ~/.luarocks
     - echo "rocks_servers = {[[http://rocks.tarantool.org/]]}" >> ~/.luarocks/config.lua