Bump mongo version to replace currently broken 1.1.20 version.
Bump mongo version to replace currently broken 1.1.20 version.

https://github.com/meteor/meteor/pull/8931
https://github.com/meteor/meteor/commit/cbeba459ab123854bc898c3348aae9dd3e91f6b3#commitcomment-23208660

Hansoft/meteor,Hansoft/meteor,Hansoft/meteor,Hansoft/meteor,Hansoft/meteor,Hansoft/meteor,Hansoft/meteor