added Phire_Bootstrap, moved loader and error handler initialisation to index.php
added Directory separators const.  some aesthetic updates
removed CMS folder from dev branch
updates to config class
Merge branch 'dev' into base-build

Conflicts:
	deploy/system/phire/config.php
updates to logging and controller.
added flag to Phire_Exception ctor whether to log or not
Merge branch 'dev' into base-build