Optimize : don't update 3D view drawables (axis, etc.) when rotate

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@33158 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Angle command for view for plane

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@33159 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Correct normal vector for 180° oriented angle between 3 points

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@33160 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Don't show angle slider in view for plane

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@33161 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Fix for #4222 and another little problem in Pgf

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@33162 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e