Added Laravel 4 to the repo (with composer)

Signed-off-by: fordarnold@gmail.com <fordarnold@gmail.com>
Added link to composer/ directory

Signed-off-by: fordarnold@gmail.com <fordarnold@gmail.com>
Merge branch 'master' into feature/documentation
Added installation instructions

Signed-off-by: fordarnold@gmail.com <fordarnold@gmail.com>