Log Message:
Update to version 1.3.0

  Support for aligned_alloc(3) was added.

  Modernize build system, mk-configure>=0.29.1 is required.

  Undefine _FORTIFY_SOURCE when compiling liblmdbg.

  Introduce LMDBG_ALLOW_WRITEABLE (rWx flag for memory segment)
  environment variable.  By default this flag is set to True, which
  allows to fix problem with lmdbg-sym seen on M$ WSL/OpenSuSE.

  lmdbg-leaks: fix the order of output, now it does not depend on AWK.
  implementation.

  Fixes and improvements in tests.