Make rtl uuid cppunit work
- removed call to simpleheader.hxx
- added call in Module_sal.mk for rtl_uuid
- created mk for cppunittest for sal_rtl_uuid
Second patch:
- removed makefile.mk as Stephan suggested
- modified CppunitTest_sal_rtl_uuid.mk header

Change-Id: If090843203e38d3eced14941b58e6122d27bdb09
Reviewed-on: https://gerrit.libreoffice.org/422Reviewed-by: Kohei Yoshida <kohei.yoshida@gmail.com>
Tested-by: Kohei Yoshida <kohei.yoshida@gmail.com>