Changing compatibility mode to 1.6


git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28377 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Make sure point is not created on circle when the interior is clicked

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28379 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
[cas] #2955 - zip command implemented

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28380 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Fix for #2025 (please test)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28381 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e