QtIFW

Compress symlinks instead of resolving them.

Task-number: QTIFW-136
Task-number: QTIFW-137

Do not advance the dir iterator while recursing thru directories.

Change-Id: I14a69c7a154c9ff0268ad63c3a926cfefe4f4a11
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>