Functionality Revision

Updated autoloader to include traits before objects and check for
readable files instead of just existing files.  Renamed validator trait
to validation and added validator helper class to provide validation to
static functions. Updated validator trait references to validation.
Changed validation usages from static to $this. Add set_db_table_name()
function to livefyre data base class. Changed Disqus_ID trait
functionality from static to $this.