QtCreatorSetup.sh: fixed an issue with relative paths of the compiler when creating QtCreator projects
gccsetup.sh: initially suggested link directory has been enhanced (now one up from installation directory); link paths are now relative
minor fix to the QTCreatorSetup.sh script
QtCreatorSetup.sh: fixed erroneous paths
minor fix to QtCreatorSetup.sh script
moved the compier/ and ide/ folders to a common folder tools/