GOWrite 3.0.15

[lpaatero]

GOWrite 3.0.15

This is mostly internal update. There is high risk that something is broken.
Changes compared to 3.0.5:

* Exceptions and diagram title can now be left aligned, right aligned or centered.
* New build system
* Lots of new dependencies

regards
Lauri

[EdisonF]

I like that you can center it now, thanks.