Added missing sub-splits

Added the Linkedin and Router packages to the sub-split.
Merge pull request #190 from eddieajau/Build

Added missing sub-splits
Update apt-get.sh

Just trying out doing an apt-get update to update the package database before trying to install packages.
Update composer on Travis before_install
Invalid composer.json
Merge pull request #191 from mbabker/fixes

Fixes for Travis
B/C breaking change in unpack() for PHP 5.5