Merge pull request #88 from jistr/gluster_firewall

Accept a parameter for dynamic number of Gluster ports
BZ #1052408 - HA Mysql manifest: allow creation of neutron db user.

https://bugzilla.redhat.com/show_bug.cgi?id=1052408

Add parameters to allow (optionally) the creation of the neutron db
user and set its db password.  Also switch to str2bool_i
from str2bool.
Merge pull request #103 from cwolferh/bz1052408_add_neutron_to_hamysql

BZ #1052408 - HA Mysql manifest: allow creation of neutron db user.
Add case-insensitive str2bool function and use it

The source is taken from the original [1], but case-insensitivity flag
is added to the regexes used.

[1] https://github.com/puppetlabs/puppetlabs-stdlib/blob/2c8450d830453e452b819bfb05678768336c3031/lib/puppet/parser/functions/str2bool.rb