Merge branch 'hotfix/1.26.3' into stable
+jruby-1.7.17
ensure the created ssl certs are readable by user
formating code
ensure certs are readable, fix function name
Merge pull request #3190 from wayneeseguin/bugfix/gh_3190_fix_osx_ssl_certs_permissions

fix osx-ssl-certs permissions
1.26.4
Merge branch 'master' into hotfix/1.26.4
Merge branch 'hotfix/1.26.4'
extract configuring centos for libyaml + empty redhat wrapper
move checking if centos libyaml-devel package is available to common function
extract error message for missing centos libyaml-devel + improved handling
initial take at rhn-channel as source of libyaml-devel
script to sign releases
improved output in sign-releases.sh
filter out only variables starting with rvm_old_ in __rvm_unset_exports, fix #3185
use tee instead of mv to force proper certificate permissions
Merge pull request #3168 from wayneeseguin/bugfix/gh_3168_fix_certificates_permissions

fix osx certificate permissions
do not try manually compile yaml on redhat
do not error out when optional redhat repositories are enabled