fix service 0.2.0 changelog

Add instructions to upgrading service dependencies and remove double mention of :ui aspect
add necessary step for converting app config
fix playback of recordings not working
recording in UI doesn't work without template
Merge pull request #194 from pedestal/app-template-fixes

App template recording fixes
Changelog for 0.2.1
Prepare 0.2.1 release
Correct order of deploy script
Make a commit at the end of a release.
Begin 0.2.2-SNAPSHOT development