Utils: Merge FilterLineEdit into FancyLineEdit

Change-Id: Ic53836dade3985c36b0f6767e43b5af0ddb80d72
Reviewed-by: Eike Ziller <eike.ziller@digia.com>
Reviewed-by: hjk <hjk121@nokiamail.com>
Utils: Merge BaseValidatingLineEdit into FancyLineEdit

Change-Id: Idb7a6f28ac41bacbfd2603feb8b786c31d3769e3
Reviewed-by: Eike Ziller <eike.ziller@digia.com>
Reviewed-by: Christian Stenger <christian.stenger@digia.com>
Squish: Update object types after merging FilterLineEdit...

...into FancyLineEdit.

Change-Id: Id9b6c459cf994baa00b51f3125a8ba8718421a46
Reviewed-by: Robert Loehning <robert.loehning@digia.com>