InputDialog/InputField (for Slider-tool)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27168 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Hack to allow opening malformed Touch files in Desktop

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27169 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e