* Show [alpha] if number of columns is automatic
* Slider dialog improvements

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@32860 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Stylename to mathematical functions added -> positon in zoom now ok
dragButton is now a div

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@32861 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Deleted MyToggleButton

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@32862 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Avoid NPE in stylebar (delete tool)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@32863 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e