applicius/dhek — pull request #104 by cchantep (2014-05-19 09:28:37+00:00)
Title: DHEK24 - Align tops to upper

Having a selection mode from #103 , add another button (disabled until several area are selected) which will:
- determine which area is the upper in page, and get its `y`,
- then update all areas with this `y` (align tops to upper).