added all to ecolib.h for easy include. added all to doxygen
clean up and ad dox to fvar.hpp; fix dox for contrib
[Issue #101] mingw.mak builds contrib libraries by default.
Cleaned up various makefiles and added GNUmakefiles for user contributed libraries
Build scripts for all user contributed libraries now finished. Also Windows (adlink.bat and adcomp.bat) modified to link to these libraries.
Remove the copying of source files to build directory. Users shouldn't see source in this context!
Issue 3: added contrib to the distribution and added included them in the admb scripts.
Create ecolib.h header and included them in source files that were missing the functions.
Added build files for contributed libraries.To use:$ make --directory=scripts/configure$ ./configure$ make$ make contrib
added ecolib, including templates and tests