Clean up old libraries

Note that cssmin is now patched and at https://github.com/Tatsh/cssmin
Flourish with fORMTagging and patched is now at https://github.com/Tatsh/flourish-classes
Facebook SDK is *really* old here
HTMLPuriifer is also out of date and should be installed in your project manually or use Composer, etc
Mollom is here: https://github.com/Tatsh/mollom
Moor is here: https://github.com/Tatsh/moor
Recaptcha5 is here: https://github.com/Tatsh/recaptcha5
Sutra (1.x) is here: https://github.com/Tatsh/sutra/tree/v1.4
Add vld 0.12.0 (PHP 5.5 compatible version)
This plugin is now available with purple-plugin_pack