SLING-2024 - Replace file logger with logback

Minor formatting change to address extra changes done in release process

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1542953 13f79535-47bb-0310-9956-ffa450edef68
[maven-release-plugin] prepare release org.apache.sling.commons.log-4.0.0

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1542954 13f79535-47bb-0310-9956-ffa450edef68
[maven-release-plugin] prepare for next development iteration

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1542956 13f79535-47bb-0310-9956-ffa450edef68
SLING-2024 - Replace file logger with logback

Updated the readme to reflect current state

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1542962 13f79535-47bb-0310-9956-ffa450edef68
SLING-2024 - Replace file logger with logback

Renamed to README.md file

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1542963 13f79535-47bb-0310-9956-ffa450edef68
Merge branch 'trunk' of http://git.apache.org/sling into sling-3223
SLING-3223 - adding replication header enum to avoid having to deal with header strings
SLING-3223 - working on trigger on path rule