Merge pull request #1 from dragos-dumi/master

refs #1478 Added field meeting_start_time
Merge pull request #2 from dragos-dumi/master

added~ default current instrument on instrument filter
Merge pull request #3 from dragos-dumi/master

Start time display setting bug
Fix export url
Merge branch 'master' of github.com:dragos-dumi/cms.meeting
refs #1352 removed server-side proc and added TableTools to export