fixed the use of GZipOutputStream, which messed up my bytes ... it's now uncompressed.

git-svn-id: http://lire.googlecode.com/svn/trunk@125 f280a053-6817-128d-8a7e-cdf98506035a
fail-safe checks for RGB images.

git-svn-id: http://lire.googlecode.com/svn/trunk@126 f280a053-6817-128d-8a7e-cdf98506035a