* CaptureChannel becomes a main feature and is easier to
use now.
* EXPECT_EQ/NE no longer does a double evaluation of the
arguments on fail (to print the result that wasn't
matching)
* ut framework now has a text file compare
* Added tests for strm2txt, strmclip and strmcmp
* Fixed the output of the PrintingDiffReceiver in some cases
* Cell renaming does not give a difference in smart cell mapping mode