[astups] Start the astups part that will in fact use the artag library

The data files are just for testing:
tag is a tag to test the detection
LogitechPro4000.dat is a fake caliration file
markerboard_480-499.jpg is for testing purpose

The old_main.txt contains a code that show various use of the library

The main.cpp is the current implementation of the library
[Cmake] Remove .pro files for the old build system

Remove forgotten files for the old build system