Use java.util.zip Inflater methods instead of jzlib to be consistent with the Encoder.
Encode using java.util.zip methods and only once the whole image data.
Remove unused imports.
Remove debug message.
Add progress bar updates.
Make call to static mehtod correctly.
Do not try to parse parameter from o non Amira image.
Correct typos
Fix bug when reading AmiraMesh files.

There was a missing -1 in the calculation of the voxel calibrations.
Allow Avizo files to be read as well.

Avizo uses exactly the same format as Amira but the first line starts by Avizo instead of AmiraMesh.