Merge pull request #3 from cmarmo/master

iipsrv update for planetary applications
Minor updates to README, configure.in and View.h
Merge branch 'master' of github.com:ruven/iipsrv
Added greyscale conversion support via new filter_greyscale transform function.
Updated copyright message in header to new Free Software Foundation address.
Fix to greyscale code
Merge branch 'master' of https://github.com/cmarmo/iipsrv

Conflicts:
	src/JTL.cc
Several fixes to Kakadu.cc. To force resolution levels to be floor(x/2) rather than the default
ceil(x/2) to match how TIFF resolutions are created. Also modification to force 16 bit
JPEG2000 to unsigned output. And also fix to strip alpha channels from images.