Fixed misinterpretation of dtex samples in deepopacity case, updated README, comments, and ChangeLog to reflect fix.
missing system include
Merge branch 'develop' of https://github.com/openexr/openexr into develop
This commit fixes several problems with DtexToEXR.

1: The files were flipped upside down. This is fixed.

2: The files were transposed rather than rotated with the --sideways flag, which has now
been fixed as well.

3: The data window was the wrong size, this has been fixed.

4: The default options are now are true for deep rgb, and the command line usage has been changed to
reflect these new defaults.
Fixed include paths.
Merge branch 'develop' of github.com:openexr/openexr into develop
Pass _data->header to writeMagicNumberandVersionField()

Making this change in the OStream version of the constructor so that it
matches the const char * version. Otherwise we get a bug where files
made with an OStream won't get their version flags set properly.
A quick fix for dealing with deep data in exrdisplay.
This introduces a -noDeepComp / -d flag that simply presents the first sample in the samples list.
We also do a manual implementation of the deep comp for the tiled deep images.
@TODO implement the deep comp for the DeepTiled code.
Added a namespace alias file to make the code less verbose.
Formatting clean-up
Merge branch 'item72' into develop
Fix for the use of an explicit Iex namespace vs the macro IEX_NAMESPACE