Merge pull request #9 from Exorades/bug_1671

[1671] correct port
Merge pull request #10 from Exorades/bug_1678

Bug 1678
Merge pull request #11 from Exorades/bug_1685

[1685] Compatibile mode for IE
[1683] Poprawione formatowanie testów oraz parse_user_data_xml
Merge pull request #12 from Exorades/bug_1683

[1683] Poprawa parse_user_data_xml, napisanie testów
Merge branch 'master' of https://github.com/stxnext-kindergarten/presence-analyzer-pszymanski into bug_1684