#3759: preventing web input bar from bleeding outside applet frame

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@29578 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#3757: changes in web applet panel layout to keep frame size fixed 

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@29579 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e