added GPL header to denovogear.cc


Former-commit-id: ab4cf38de7942238c35ac6699636d3c145a3515a
Updated GPL license statement at the top of denovogear.cc


Former-commit-id: 6f3fd4cae7785e4efe690f365fc551675daa1da9
ver 0.5.4, added copyright/license, minor changes in output of indel alleles


Former-commit-id: f0649545876090295e2e876c8bee8b678e4f0373
added change-log to README, minor update CMakeLists


Former-commit-id: 4d6ff9188b572507c7c0394fc64743945c615ec9