Added clear cache for meeting batch finished, pdf convert batch finished, and check for frequency of clear cache configured in setting form
Changed watchdog text for cron job process pdf convert in queue.
Merge pull request #4 from bellcom/feature/dags-82_changed

Feature/dags 82 changed
Added clear cache default value for pdf convert. And added select option better text
fixed block visibility for non admin users
Merge branch 'master' of https://github.com/bellcom/os2dagsorden-2.0 into feature/dags-88