#3882 GUI things....

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30926 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#3882 GUI things ChiSquearePanel

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30927 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Ticket #3485: it's probably more efficient to store scheduled commands in variables instead of creating new commands many times

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30928 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
make sure <Tab> doesn't select hidden objects

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30929 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
remove debugging

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30931 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
fix for #3800 ([web] Edit -> Copy Image has black background)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30932 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
make sure PenStroke can't have a label

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30933 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Ticket #3485: sparing deferred call in spreadsheet view as well (this way it's more efficient)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30934 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e