Initialize Headers from the input file
Fixing a memory leak (and bad address comparison logic) in
ImfDwaCompressorSimd.h
Merge pull request #117 from karlrasche/exrstdattr_header_init

exrstdattr: Headers are not initialized from the input file
Merge pull request #118 from karlrasche/imfdwacompressorsimd_leak

Memory leak in ImfDwaCompressorSimd.h
Merge branch 'develop', remote branch 'upstream/develop' into develop