Log Message:
Update to 5.5

Changelog:
Changes since 5.4:
    Requires libtiff >= 4.0.4.
    Requires CMake >= 2.8.8.
    Optional codesigning commands have been added to the CMakeLists.txt and
      macosx_bundle.sh scripts. If you wish to codesign the built packages
      (.app and .dmg), add your details to your CMake command flags:
    -DCODESIGNID:STRING="Developer ID Application: Firstname Lastname \ 
(xxx)"

* Support new cameras
* SUpport custom color space
* Improve tone curve