Address issues from the cli framework

Include all the modules for `php manage.php --help` invocation. Also, pass
the parsed arguments and options to the Module::run() implementation.
Add defaults to parsed command-line options
Merge pull request #580 from greezybacon/revisit/cli

Address issues from the cli framework

Reviewed-By: Jared Hancock <jared@osticket.com>
Fix HTTP assumptions in the installer

The installer assumes that the CWD of the running PHP process is setup/,
which isn't necessarily true (if run from a cli module, for instance).
Merge pull request #581 from greezybacon/issue/installer-assumptions

Fix HTTP assumptions in the installer

Reviewed-By: Jared Hancock <jared@osticket.com>