Revert "first test qt gui, working but not threadsafe, qthread is weird"

This reverts commit 4b161c6bbe3f5e0db7efe9f0176a7db33c4c4d19.
Revert "add grc run script for qt tests"

This reverts commit 1767e2f71357834e26fb063f00c8c2a8cf208fe9.
Revert "qwt is linked"

This reverts commit f6749ae3973004ca420e7af272e12581c612eb3e.
Revert "try linking qwt"

This reverts commit 85684ce11933ab5acd0ef034059b840e3a2b1ddc.
revert HEAD