Added 5.4 and 5.5 as targets, quiet the 'apt-get update' command

Author: datibbaw

.travis.yml

@@ -1,11 +1,13 @@
 language: php
 
 php:
+  - 5.4
+  - 5.5
   - 5.6
 
 before_script:
   - sudo apt-add-repository -y ppa:linuxjedi/ppa
-  - sudo apt-get update
+  - sudo apt-get update -qq
   - sudo apt-get -y install libuv-dev
   - phpize && ./configure --with-uv --enable-httpparser && make && sudo make install
   - echo "extension=uv.so" >> `php --ini | grep "Loaded Configuration" | sed -e "s|.*:\s*||"`