Ticket #3952: changed syntax to work with {}'s (but beware as ggbtdC will not work from now)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30890 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#3947 Text formatting options (font, size, bold, italic, rounding) for web.

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30891 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Ticket #3131: old patch commited

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30892 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Implementation of option dialog started... (#3490)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30893 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e