Reduce jar-size / cleanup: Replace 1 kB test-ntsc01-57x32.png w/ 400kB test-ntsc01-28x16.png asset ; Generalize TextureSequenceDemo01 -> SingleTextureSeqFrame ; Unit tests use test-data, not assets.
jogl: avoid bugs with sign-extension in JPEGDecoder

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
jogl: avoid writing into an uninitialized array in nurbs code

pspec is never initialized, this would have always crashed.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Merge remote-tracking branch 'hharrison2/master'