added changelog update
Merge pull request #13 from jucaf/development

Logical check of json config
added dependency in Gemfile and dropped REQUIRE.txt
gem file with version
multi-layer per hosts bits
spec file fixed
facts deploying multi-layer works
facts deployment per node working
filter mco with multi-role facts
new purge file
fixed topology and report parameters
rework with json examples
fixed history server permissions
Merge remote branch 'upstream/master' into development
Merge remote branch 'upstream/development' into development