Fix link bug with FF

`href='javascript:jQuery("#tab-documents").tab("show");' `
not work with FF
Fixed and improved thelia installation wizard
Rebased with master
replace deprecated redirectSuccess method
Merge pull request #732 from lunika/functional_testing

replace deprecated redirectSuccess method
Merge pull request #730 from roadster31/install-fixes

Fixed and improved thelia installation wizard
Merge pull request #711 from zzuutt/patch-6

Fix link bug with FF