improve documentation for test builds under unix/linux
mention locale error/workaround in documentation
more reliable way of ensuring GLU is linked on new DSO linux systems.
Merge pull request #120 from openscad/glufix

more reliable way of ensuring GLU is linked on new DSO linux systems.
Minor Mac vs. Linux difference
Merge branch 'master' of github.com:openscad/openscad
Merge branch 'master' into caliston1
Added test cases for issue #123
Don't prefix filenames which are already absolute with document path. Fixed #123
Merge branch 'master' into value
name the file with the correct architecture
update linux snapshot links
Merge pull request #129 from brad/linux-release

Linux release
cosmetics
Output filenames relative to document path when exporting .csg files from the command-line. Fixes #128
Search for libraries from a list of paths. Preparations for issue #125
Update master
Fixed normalization bug: node limit wasn't checked properly and some cases triggered exponential expansion of nodes during normalization. Fixes #127
Add link to Wikibooks manual for 'not 2-manifold' error on export.
Merge pull request #132 from openscad/manifoldinfo

Add link to Wikibooks manual for 'not 2-manifold' error on export.