* (beeminder-on-org-task-completed): If the beeminder-value property
  is equal to "prompt", prompt interactively for the value.
* beeminder.el: Add some notes on properties.
Add support for beeminder-value: time-today
Merge branch 'master' of https://github.com/Sodaware/beeminder.el into tweak-for-regular-use

Conflicts:
	beeminder.el
Remove finished TODO from README.org
Merge pull request #13 from sachac/tweak-for-regular-use

Add beeminder-value: prompt and beeminder-value: time-today