Remove limits from for ie 6 and 7
Add limit for ie6/7

Limit collapsible feature to not ie 6/7 but allow other js enhancements (clear checkboxes and parent child checkbox behaviour)
Pointer style to only appear on clickable things

When the checkbox filter is not collapsible do not set the cursor to be a pointer
Merge pull request #29 from alphagov/enable-checkbox-clear-for-ie

Enable checkbox clear for ie