#4415 enable create tool menu/dialog

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36473 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#4415 remove unimplemented menu items

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36474 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#4389 fixing main split panel size in one and two var mode (100%/80% + RegressionPanel).

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36475 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#4537 improve Numeric[y = ℯ^(-11 x / 100)]

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36476 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e