[Therion] New symbols

[Tarquin Wilton-Jones]

> To do that I need to see how to deal with texts in symbols. I haven't done that yet. There was one symbol - remark - that I didn't create to save me this trouble but I might get to that.

See my post to this list titled "Re: [Therion] Custom label style for a
custom point", yesterday. The solution for this (a function called
"create_styled_label") is in that mail.