update collection2 weak dependency to 2.0.0
Merge branch 'master' of https://github.com/aldeed/meteor-autoform

# By Eric Dobbertin
# Via Eric Dobbertin
* 'master' of https://github.com/aldeed/meteor-autoform:
  update collection2 weak dependency to 2.0.0
Merge branch 'master' of https://github.com/aramk/meteor-autoform

* 'master' of https://github.com/aramk/meteor-autoform:
  Created new object for context.doc