Minor improvement of BS
Fix "trigraph ?? ignored, use -trigraphs to enable" warning
Porting Mathic to SW : mostly original sources from master
Adaptation of singmathic to SW
More fixes/improvements to BS (m4/*.m4)
fix: missing content over Z in ntLcm, ntGcd
chg: commmented out changes from 5a4e17def42b99 to transext.cc
chg: commented out changes from f1ab975d to p_polys.cc
fix: nrMapQ (conversion of rationals to short precision floats)
chg: added test for finduni
removed factor.lib: tr. 498
Merge pull request #347 from mmklee/finduni

Finduni
Update of MATHICGB according to the PullRequest #351
Revert "Update of MATHICGB according to the PullRequest #351"

This reverts commit 8f761ae82f2bae65cb1dee517949807fa5bea8bb.
Added testing for the reverted MathicGB module
Update due to corrected pull request #351
Updated results for Manual/[fp]walk.tst tests (returned are still valid GBs)
fix: wrong assertions
fix: memory leak
fix: memory leak in degrees