Moved MD5[Anim|Mesh]Parser loading code to Loader

Similary to OBJParser
Added memory helpers

This will protect some memory-related code from new redefinition
Removed useless file
Improved code

Fixed Directory being copyable
Fixed ByteArray and String self-assignation
Made it clear Clock is copyable
Merge remote-tracking branch 'upstream/master'
Updated PhongLighting shader

I can't remember why I commented these lines.
Improved some code (smart pointers)
Merge remote-tracking branch 'upstream/master'