Adding DWAA|B compression options to:
   * exrenvmap
   * exrmaketiled
   * exrmultiview
Updating usage messages
Typo
Merge pull request #109 from karlrasche/openexr_bin_compression_opts

Update compression options in utilities
Off by one error when initializing mapping[]
Merge pull request #111 from karlrasche/fasthuf_overrun

ImfFastHuf.cpp: Off by one error when initializing mapping[]
Merge branch 'develop', remote branch 'upstream/develop' into develop