Tasks (target):
* Use a cairo based canvas (0.10).
* enhance GOffice component (0.10).
* Make GChemPaint part of the Gnome Chemistry Utils
for a better interoperability (0.10).
* Mozilla/Firefox plugin (0.10).
* New tools:
	- delocalized bonds (?),
	- week interactions (e.g. H-bonds) (?),
	- curved arrows (in mechanisms) (?).
	- curved reaction arrows and Tollman's loops (?),
	- cluster bonds (as in boranes) (?),
	- electron vacancies (?).
* Multi-steps reactions (?).
* Scriptability (?).
* Enhance selection (?).
* Add abbreviations in fragments (?).
* Enhance fragments (?).
* Change cursor according to situation (?).
* Update documentation (always).
* More code cleaning (always).
* Remove all bugs ;-)
