* Update to 3.1.5
* Add feature 'tools'
* ilmbase is now imath
* [theia] Use openimageio cmake config
* [freeimage] Use OpenEXR 3 and Imath
* [opencv4] Use upstream's OpenEXR 3 support
* [opencv3] Use upstream's OpenEXR 3 support
* [opencv2] Use OpenEXR 3 and Imath
* [osg] Use OpenEXR 3
* [openvdb] Use Imath, enable OpenEXR
* [pangolin] Use OpenEXR 3
* [directxtex] Use OpenEXR 3
* [uvatlas] Disable /guard:ehcont when directxtex uses openexr
* Update versions
Co-authored-by: chausner <chausner@users.noreply.github.com>
