[Travis] Enable Redis, Memcached & Memcache PECL extensions
[Travis] Enable Redis, Memcached & Memcache PECL extensions

GawainLynch/bolt,GawainLynch/bolt,romulo1984/bolt,lenvanessen/bolt,GawainLynch/bolt,bolt/bolt,bolt/bolt,romulo1984/bolt,electrolinux/bolt,electrolinux/bolt,electrolinux/bolt,lenvanessen/bolt,nikgo/bolt,bolt/bolt,electrolinux/bolt,lenvanessen/bolt,nikgo/bolt,romulo1984/bolt,nikgo/bolt,romulo1984/bolt,GawainLynch/bolt,lenvanessen/bolt,nikgo/bolt,bolt/bolt