[GRUNT][KARMA][WIP] adds karma:dist target to run the test suite against the concat-minified version
[DEV] work in progress on countdwon refactor
[DEV] firstUpper doesn't normalize anymore input string to lowercase before doing tranformation
[GRUNT] lighter watch js
[DEV] adds truelab.utils module, truelab.utils.lifecycle module with  service
[DEV] refactor countdown module, @requires truelab.utils.lifecycle
[DEV] removes $tlCountdown.$new(config) in favor of $tlCountdown(config)
[DOCS] updates CHANGELOG.md