[1684] Added error message for no data users
Merge branch 'master' of https://github.com/stxnext-kindergarten/presence-analyzer-pszymanski into bug_1684
[1684] Corrected javascript
[1684] js
[1684] added ; in div id=error
Merge pull request #13 from Exorades/bug_1684

Bug 1684 and 1683