Please support MONGODB_CONNECT setting (true/false)

[bjjl]

I had to patch like the following to get the code running on NetBSD, using flask blueprints.

--- connection.py.orig  2016-08-09 16:04:24.000000000 +0200
+++ connection.py   2016-10-09 14:16:12.000000000 +0200
@@ -257,7 +257,7 @@
        # Default to ReadPreference.PRIMARY if no read_preference is supplied
        read_preference = conn_setting.get('read_preference', ReadPreference.PRIMARY)

-        resolved = {}
+        resolved = { 'connect' : False }
        resolved['read_preference'] = read_preference
        resolved['alias'] = alias
        resolved['name'] = db

[lafrech]

Contributors willing to fix the connexion regression in 0.8 are welcome to join in #71 (comment).

[wojcikstefan]

@bjjl if you run this against the latest commit in #280, does it work for you? Let me know pls.

[bjjl]

@wojcikstefan looks good.