Point at Moped master, part 1:

Replaces all instances of Moped::BSON with just BSON.
Converting to new write concern options.
Use new read preference options
Use bson from source
Fix cluster expectations
User CodeWithScope and not Code
Update travis to exclude branch for now
User bson rc 1
Allow string write concern options
Update specs to not worry about order
Connect defaults to read primary
Remove branch exception
Dont need symbols in mongoid.yml
Git rid of rspec deprecations
Update changelog
Move to moped 2 beta
Check primary string in spec, not symbol