Merge pull request #454 from jankoboehm/spielwiese

Minor changes to doc
fixed typo and extended documentation
replaced 'separated' by individual
Merge pull request #455 from surface-smoothers/improve.ASSUME.documentation

fixed typo and extended ASSUME documentation by one sentence
chg: default path to singular.idx, singular.hlp
some libs were missing in singular-libs
Removed tailing '/' for directory specs in Makefile.am-s
Make README more useful to end users
fix: previous commit: Makefiles.am was broken
Merge pull request #463 from fingolfin/patch-2

Make README more useful to end users
fix url in general README
sba returns SB minimal possible without adding too much overhead
fixes typos in texinfo for sba
Merge pull request #465 from ederc/min-sba

sba returns SB minimal possible without adding too much overhead
Fix xalloc installing
Fix: header is necessary for distribution
fix: version numbers, removed S_VERSION1
fix: renmaed man page: singular.1 -> Singular.1
Replaced "readlink -f" with shell code (due to Mac OS X)
Avoid crashing via __builtin_frame_address(3+) on Mac OS X