Fix autoreload for cherryd loaded as a module
Fix autoreload for cherryd loaded as a module

Also:
* raise RuntimeError when trying to reconstruct `-c`
* run cherryd as cherrypy.__main__ module to support Python 2.6

Ref: https://github.com/cherrypy/cherrypy/issues/1545
Ref: 1c4b4eeb25e28da415849e9443fc95c5347b1f10@418baf9

cherrypy/cherrypy,cherrypy/cherrypy,Safihre/cherrypy,Safihre/cherrypy