Removed disabling SELinux prereq; no longer needed

This SELinux problem was caused by the yumpkg.py module that used the
yum Python interface for CentOS 6 machines. That was removed in favor of
the yumpkg.py that shells out to yum which does not have this problem.
This workaround can be removed.
Fix typo
Adds meta state and also deals with the default password security issue.
Typo in mysql.
Fixes missing paren
Fixes missing param in user.states
Removes orphan endif
Bad quoting in server.sls
Fixes sls requisite in init
Requisites for the failed test state killed additional execution
README update.
Removes any helium-dependent features.
Added support for % hosts
backed out rand_str calls
clever way to load DB schemas in 2014.1
add quotes, so that all databases (*.*) is acceptable
connection arguments for anonymous user deletion
allow to add users without password
Use os_family grain wherever possible, so the sls files work on a
broader number of Linux distributions.
Also rename the configuration file to the OS family.