Enable automake MAINTAINER_MODE
Better BS: use libtool dependency libs and LIBADD automake feature + cleanup

NOTE: libpolys should not check for flint (only factory works with it)
libsingular-config relies on libtool to track dependencies
chg: removed some unused funktions from Minor.*
chg: better error message for export
chg: export respects option(noredefine)
fix: removed feGetOptValue (->feOptValue)
fix: removed unused atGet variants
doc: killattrib with one argument
removed unused killlocals_list
Moved -DHAVE_CONFIG from Makefile.am: AM_CPPFLAGS into global compiler flags
Fixing compiler warning
Enable AM_MAINTAINER_MODE everywhere
Better config.h for gfanlib
Better Autogen (with more options)
update iiLocateLib,iiInitSingularProcinfo
fix: comment for iiLocateLIB
fix: typo
chg: cleanup janet.*
Added the generation and installation of pkgconfig (*.pc) files + release versions for packages