Updated _initialize_camp_database_mysql() to use the camp's my.cnf.

When running mysql_install_db pass in the generated my.cnf for the camp to make sure it uses the camp settings.
Added several new command line options to the re command

From https://github.com/devcamps/camps/pull/10

Squashed commit of the following:

commit 38c05c6ba8892bd512c501695b24e06eb7aa8388
Author: Spencer Christensen <schristensen@endpoint.com>
Date:   Fri Feb 21 13:51:34 2014 -0700

    Some minor cleanup based on feedback from Jon.

    Removed the redundant '|| $conf{h}' when checking for help command line options.
    Removed extranious '&& $_' when grepping for services to act on.

commit 77ccfa075c99868b40bbc44cfae294e4bdc54c62
Author: Spencer Christensen <schristensen@endpoint.com>
Date:   Fri Feb 14 17:34:35 2014 -0700

    Added several new command line options to the re command, including --help and -h.
    * Added options for each individual service: --httpd, --db, --app, --ic, --rails.