added some assume tests in primdec.lib (quotient rings are not allowed and expected global monomial ordering)
proc Ann does accept nonglobal ordering
allow qrings and nonglobal order for Ann ,AnnExt_R
fix variable conflict issue in primdecint.lib
merged with spielwiese
 used Hans routine hasGlobalOrdering instead of my hasGlobalMonomialOrdering
Merge branch 'spielwiese' into add.assume.in.primdec.lib
fixed indentation
Merge branch 'spielwiese' into add.assume.in.primdec.lib
Merge remote-tracking branch 'origin/spielwiese' into add.assume.in.primdec.lib
Merge branch 'add.assume.in.primdec.lib' of https://github.com/surface-smoothers/Sources into add.assume.in.primdec.lib
no unconditional ASSUME in static routines
check if coefficient ring is field
add: ndPower by Claus Fieker
Gerhard fixes for genus with block orderings
chg: n_Power slightly optimized for some cf
fix: compilation without NTL
Merge pull request #621 from mmklee/nontl

fix: compilation without NTL
prepare for singular 4-1: cring (currently inactive)
add: Singular/nuber2.*: handling of NUMBER2, CRING etc.