Revert "- disabled ruby-scalaris for CentOS <= 6 (no rubygems there)" -> EPEL5 contains rubygems, rubygem-json. If the user includes that, he can use our ruby-scalaris
Revert "- disabled ruby-scalaris for CentOS <= 6 (no rubygems there)"
-> EPEL5 contains rubygems, rubygem-json. If the user includes that, he can use our ruby-scalaris

This reverts commit 13fb5eef9e0aad7c200bf617cf09b22b0aa2de26.
jvf/scalaris,caijieming-baidu/scalaris,caijieming-baidu/scalaris,scalaris-team/scalaris,scalaris-team/scalaris,scalaris-team/scalaris,jvf/scalaris,caijieming-baidu/scalaris,jvf/scalaris,scalaris-team/scalaris,scalaris-team/scalaris,scalaris-team/scalaris,jvf/scalaris,jvf/scalaris,caijieming-baidu/scalaris,caijieming-baidu/scalaris,scalaris-team/scalaris,jvf/scalaris,scalaris-team/scalaris,caijieming-baidu/scalaris,caijieming-baidu/scalaris,jvf/scalaris