Remove old pear libs
Add composer libs

This also adds the simple-cas src directory to the include path because the unl_auth library uses an `include SimpleCAS.php` statement.
Remove trailing `y`
run `composer install` in vagrant

will be ran on every `vagrant provision`
Display the URL on every start
Merge pull request #144 from mfairchild365/issue-142

Move available librarys to composer
Merge branch '4.0_template' of github.com:unl/UNL_MediaHub into issue-114
Changes from feedback from Micheal

See title