Fixed issue #07746: Login screen is ugly in IE9
Fixed issue #7746: Now also working for php < 5.4
Fixed issue #07876: When browsing responses time statistics no bubble help
Dev: Remove leading and trailing whitespace before calculating string length
Fixed issue #07807:  Error when deactivating survey (c_schmitz )
Dev: cherry-pick 2506a1dd91fcc855afc9571d8693bed631418f9c
Dev: need to deactivate survey in 205 to test some dev
Dev: fix some issue with slider and step.
Dev: Survey admin can make error on accuracy, but don't control error