Qrings: - BugFix #559
        - Added feature: constant in qring allowed: Stil in Work
Added qrings feature for constant in ideal
Added tests Tst/New/qring_with_constant
Forgot to rewrite the test New/qring_with_constant
Updated Short/ringmaps.tst since it has been added a nrnMapProjective from Z/p^s to Z/p^t with s > t
mv: moved the qring constant build into a function
add: cfQuot1
del: deleted not needed functions and chg names of functions
fix: factory/libfac/Makefile.am
chg: allow in newstruct definition: white space, alnum member names
attribute via ssi: part1: BIT-attributes
chg: ssi version
fix: ssi attribute p1
update: Oleksandr Changes
Merge pull request #539 from adipopescu/QRings

Qrings
towards a uniq n_Div: removing some of n_IntDiv
fix: ksCheckCoeff: may be used with coeffs in Q
Added DebugPrinting for numbers

Note/Update: StringUpdate => StringEnd
Defined libkernelCommon.la to be the actual shared part of libkernel.la
The header kernel/combinatorics/hutil.h should not depend on currRing