merged [80483],[80487],[80586],[80591],[80592],[80599],[80600],[80624],[80625],[80643],[80644] into release:

* fix #4024

* fix #5812

* fix #7296 (hopefully ;-)

* see #7363 (must wait for a full test cycle before closing this task)



[SVN r80645]

libs/numeric/ublas

@@ -1 +1 @@
-Subproject commit 96ad6a1692090d58797e094db86f777947adaa2a
+Subproject commit 8ca0c81bfe56c5c1c4cf973096554e70a1f38a86