removed yum documentation in favour of Nexus book
removing readme altogether as indicated by jdillon
Merge pull request #894 from sonatype/yum-doc-cleanup

removed yum documentation in favour of Nexus book
release: 2.11.0-02
update to next version: 2.11.0-SNAPSHOT
NEXUS-7696: update internal permission to match security privilege
NEXUS-7646: sanitize capabilities.xml when creating support.zip