Merge pull request #234 from topilski/master

Stable build
Version updated (now beta 2)
DBRef correct parsing (#113)

Robomongo understand three fields in  DBRef sub-objects:

{
  "$ref" : "my_collection",
  "$id" : "my_id",
  "$db" : "my_db"
}

$id and $db fields can be of any type (int, string, date etc.).
Merge remote-tracking branch 'upstream/master'
Fix project description and summary, actual for packages only