src/main.cpp: whitespaces
src/main.cpp: added second puzzle from GRIGORUSHA
Makefile: fixed "make clean"
src/figure.cpp: fixed rotate2D_hacked(): removed useless "+1"
src/figure.cpp: removed trailing whitespaces
etc/Makefile.original: saved original makefile
src/figure.cpp: added commented debug output
src/figure_rotator: store source figure in private member
src/main.cpp: create figures dynamically
Makefile: recreated my cmake
src/main.cpp: updated years of copyright.