changed return value of mod_init from "grammar"-version to "all identifier"-Version
fix: possible segfault in GCD when passing to extensions
fix: possible segfault when passing to extensions in sparse gcd
ZZ will become a reserved name
compatibility with intmat/intvec
avoid (version) output of 4ti2
removed duplicate entries from some test lists
Merge branch 'spielwiese' of github.com:Singular/Sources into spielwiese
div instead of / for int/bigint
Merge branch 'spielwiese' of github.com:Singular/Sources into spielwiese
more removed/fixed tests
Merge branch 'spielwiese' of github.com:Singular/Sources into spielwiese
Update Doxygen config
Doxygen Singular-colors + Logo
Better Doxygen docu
Merge pull request #613 from mmklee/gcd

Gcd
Added git HEAD ID to the doxygen output
preparation for more integer representations

n_Init_bigint: substituted by n_setMap/nMap
introduced cf->rep for different data representation
introduced several (experimental) integer variants
   via #define in libpolys/misc/auxiliary.h.in
Merge branch 'spielwiese' of github.com:Singular/Sources into spielwiese

Conflicts:
	Singular/ipconv.cc