Comment commands in construction

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@29392 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Trying to fix #2148 for iPad

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@29393 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Leonar3do : move view with bird

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@29394 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e