#3882 Probability Calculator seems to work right.

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@31893 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Ticket #4091: porting my changes from 4.4 to Trunk

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@31894 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#4084 Min/Max labels for Sliders

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@31895 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e