#3857: fixes for touch -- hit testing, IE event type

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30685 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
NPE fixed (#3530)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30686 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#3882 still commonizing...

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30687 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Bugfix (out of range - at clicking on rowheader)  (#3530)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30688 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Disable picking for lists when not pickable

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30689 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Try to ensure no NaN values for 3D view angles

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30690 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#3882 web follows commonizing...

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30691 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e