[impdev] Release candidates for 1.2?

[Armin Weatherwax]

> How often do you want to release a snapshot? Every one week, two? Or
> every so often when we get a lot of features going? For me, it'd be
> nice to have some sort of schedule, but that's how I work.

Hm, can we combine both? 
Say have a regulary one 4 every weeks and if there are really cool 
features or features that need to be tested in the wild then also have 
extra ones in between.