merge changes for 3.7.10-release

.hgtags

indra/integration_tests/llimage_libtest/CMakeLists.txt

...ntegration_tests/llimage_libtest/filters/1970colorize.xml

...ntegration_tests/llimage_libtest/filters/autocontrast.xml

indra/integration_tests/llimage_libtest/filters/badtrip.xml

...egration_tests/llimage_libtest/filters/blowhighlights.xml

indra/integration_tests/llimage_libtest/filters/blur.xml

indra/integration_tests/llimage_libtest/filters/brighten.xml

indra/integration_tests/llimage_libtest/filters/colorize.xml

...egration_tests/llimage_libtest/filters/colortransform.xml

indra/integration_tests/llimage_libtest/filters/contrast.xml

indra/integration_tests/llimage_libtest/filters/convolve.xml

indra/integration_tests/llimage_libtest/filters/darken.xml

...ntegration_tests/llimage_libtest/filters/dodgeandburn.xml

indra/integration_tests/llimage_libtest/filters/edges.xml

indra/integration_tests/llimage_libtest/filters/focus.xml

indra/integration_tests/llimage_libtest/filters/gamma.xml

...a/integration_tests/llimage_libtest/filters/grayscale.xml

indra/integration_tests/llimage_libtest/filters/heatwave.xml

...ration_tests/llimage_libtest/filters/horizontalscreen.xml