image and showimage wrong index #2275

Fixed template tags image and showimage not looking for the right index in case image is an array.
Fixed url extensions site on config.yml
Merge pull request #2290 from nlemoine/master

image and showimage wrong index #2275
Merge pull request #2299 from GDmac/2.0

translation dutch UTF-8 please
Merge pull request #2298 from jackmakiyama/extension-site

Fix #2296: Fixed url extensions site on config.yml
Set default stability back to stable and make it optional

Manually merging #2300
Bumping version number
app global timezone offset variable
trigger 'change' on the 'real' date fields for listeners
add a css class on depublish field group
trigger notice on datedepublish < now. Fix #2292