+2015-04-29 c.hetherington <cth@carlh.net>
+
+ * Hand-apply 291179175729b62e17a9c322cd27ae134d1310d9 from master;
+ stop more flickering when dragging in the timeline on OS X.
+
+2015-04-22 c.hetherington <cth@carlh.net>
+
+ * Add P3 colour conversion preset.
+
+ * Hand-apply all changes relating to colour specification
+ as chromaticity.
+
+2015-04-20 Carl Hetherington <cth@carlh.net>
+
+ * Hand-apply 47770097cf6a5d7dbbdded8977da5f3de53dfd33;
+ single-file hashes.
+
+ * Hand-apply e1d0d24146592e311d46781a1961fe080f6357cf;
+ attempt to fix confusion with the JPEG2000 bandwidth
+ control when a user enters a value directly rather than
+ using the spin arrows.
+
+2015-04-16 Carl Hetherington <cth@carlh.net>
+
+ * Fix potential OS X crashes due to another incarnation
+ of the bizarre multi-thread stringstream bug.
+