Merge branch 'release/0.6.0' into develop
bump dev version
using existing metric groups instead of automatic versioning
update to restore a previously-hidden metric group
updating gem pre version
fixing invalid hash reference
restoring metric group when a create operation finds another one with the same name
fixing restore option
use double-quotes for ver
script to merge develop into master and bump versions
fix changelog and release_version
fix date in changelog
move release_version to its own folder
Deploying version 0.6.1
Merge branch 'release/0.6.1'