fix issue #430
use background color when writing PNG with lodepng
lodepng: write RGB instead of RGBA: decoders differ on alpha rendering
rendersettings.h not needed
cmdline throwntogether, integrate w chrysn tests, update resize tests
remove redundant code
remove extraneous files, add rands working test
fix bug in 2d resize code
little tweaks, cleanups, tab fixing, eliminating comments
cleanups, tab fixes, remove redundant code
cleanup, remove unused files and code, etc
cleanup
clean
cleanup
remove googlecode uploader
rm googlecode stuff
copyright info to nsis scripts
Merge pull request #472 from openscad/fixcamera1

fix issue #430
Merge pull request #476 from openscad/testfixes

Testfixes
Merge remote-tracking branch 'upstream/master'