Since the cmake tool chain is now stable, the automake tool chain is removed from musrfit.
This makes documentation and code less cluttered.
Conflicts:
configure.ac
src/Makefile.am
src/classes/Makefile.am
src/external/MuSR_software/Makefile.am
Also the cuba-compiler-check for gcc-versions containing a certain bug (4.2, 4.4.3) has been adopted.
This still needs to be tested on systems having such a gcc.
If this new version of the built-in library should be installed,
first make sure that the old version is completely deinstalled (including headers, pkg-config-files, etc.).