http://docs.lino-framework.org/blog/2014/0127.html
Merge pull request #3 from cuchac/workflow_entry_execute

Add execute(self, ar, obj) to dd.ChangeStateAction
Merge pull request #4 from cuchac/gfk_chooser_and_display

Gfk chooser and display
http://docs.lino-framework.org/blog/2014/0128.html
http://docs.lino-framework.org/blog/2014/0129.html
http://docs.lino-framework.org/blog/2014/0131.html
http://docs.lino-framework.org/blog/2014/0203.html
http://docs.lino-framework.org/blog/2014/0203.html
http://docs.lino-framework.org/blog/2014/0204.html
http://docs.lino-framework.org/blog/2014/0204.html
http://docs.lino-framework.org/blog/2014/0204.html
http://docs.lino-framework.org/blog/2014/0205.html