fixes #3684

git-svn-id: http://dev.piwik.org/svn/trunk@7770 59fd770c-687e-43c8-a1e3-f5a4ff64c105
Fixes #3687, make sure anonymous user cannot have language set in DB and make sure not to use that option if it is already set.


git-svn-id: http://dev.piwik.org/svn/trunk@7771 59fd770c-687e-43c8-a1e3-f5a4ff64c105
Fixes #3685, pass all important parameters in sparkline URL to datatable reload on click instead of just 'columns'.


git-svn-id: http://dev.piwik.org/svn/trunk@7772 59fd770c-687e-43c8-a1e3-f5a4ff64c105
fully      fixes #3684

git-svn-id: http://dev.piwik.org/svn/trunk@7773 59fd770c-687e-43c8-a1e3-f5a4ff64c105