repaint; enable/disable buttons

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26974 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Removed Scrollpanel from BrowseGUI

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26975 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
change eventtype for show/hide-button of the StylingBar

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26976 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Ticket #3337: toolbar and input bar can also come from perspective

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26977 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e