Adds PHP 5.6 support for Centos and Ubuntu 14.04
Forces Xdebug to compile for php 5.6
Updates puphpet-puphpet
Adds node.js and npm support. Closes #792
All extensions save to individual .pp manifest

Instead of one humongous and unwieldy manifest.pp, have a single
1-line site.pp that imports all *.pp files in nodes directory.

All extensions now save to individual manifest file.
Ensures nodes directory is saved into git
Renames puphpet::ini to puphpet::php::ini
puphpet::xdebug => puphpet::php::xdebug; puphpet::xhprof => puphpet::php::xhprof
Fixing dumb mistake on pupet-puphpet
Fixing dumb mistake on pupet-puphpet (part 2)
Make the PuPHPet MainBundle translation-aware and add a basic english translation
set the translator in the app config and default to en
Make ApacheBundle translation aware and add a basic english translation