correct typo
Merge branch 'master' of github.com:brooklyncentral/brooklyn

Conflicts:
	docs/meta/versions.md -- 0.6 added, and v remvoed from 0.4
create new utils/ dir and moved the easily-moved classes from brooklyn.util across
moved jmx projects to utils/
removing groovy from utils-common, creating new utils-groovy
tidy structure of utils project, removing deprecated classes
added pure java Duration class, and tests for it, and improved makeTimeString for times
convert most usages of groovy TimeDuration to pure java Duration
Merge pull request #750 from ahgittin/fix/util-separate-project

pulled out utils to separate projects