phab: move defines into autoload layout

defines should also be in their own files
like classes are

ERROR: phabricator::extension not in autoload module layout
ERROR: phabricator::redirector not in autoload module layout

http://puppet-lint.com/checks/autoloader_layout/

also fixes some lint warnins about aligned errors

Change-Id: I4745cc5e02ef8bbb270fae22f50f690206d743ff
Merge "phab: move defines into autoload layout" into production