0023955: Improve CMake build scripts to make tests operable after install

0023955: Improve CMake build scripts to make tests operable after install
0024046: in CMake build case. testgrid process produces debug error

0023955 (change cmake scripts for tests) and 0024046 ("Basic Runtime Checks" option) issues
"Basic Runtime Checks" option was "Both (/RTC1, equiv. to /RTCsu)" and has been switched now into default state

option "install_tests" added to cmake gui conf process
name of "res" folder changed to "src"
data and tests folders added to copying process
CASROOT variable is set by absolute path to OCCT