Bump version number one last time?

So that osgi version is set correctly by build.

Author: adriaanm

build.number

@@ -1,7 +1,7 @@
 #Tue Sep 11 19:21:09 CEST 2007
 version.major=2
 version.minor=10
-version.patch=5
+version.patch=6
 # This is the -N part of a version.  if it's 0, it's dropped from maven versions.
 version.bnum=0