Updated doap with latest relase.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1595922 13f79535-47bb-0310-9956-ffa450edef68
Fixed NullPointerException in BSPTree.

The error occurred when chopping-off a sub-hyperplane
that was exactly at a region boundary.

Thanks to Aurélien Labrosse for the fix.

JIRA: MATH-1123

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1595924 13f79535-47bb-0310-9956-ffa450edef68