NO-JIRA: Create Fedora artifacts
Bumped the Gem version to 0.26.0.
QPID-5499: Fix Ruby/Perl bindings when built with -Werror=format-security

Changed the swig descriptors so that they use a constant format string.

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1565651 13f79535-47bb-0310-9956-ffa450edef68
Bumped the Gem version to 0.26.1.