Having issue to compile MongoDB activity

[lixingwang]

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[*] bug report => search github for a similar issue or PR before submitting
[] enhancement request
[] feature request
[] support request
[] general question

Current behavior (how does the issue manifest):
With latest mongo-go-drive the package name changes to go.mongodb.org/mongo-driver/
https://github.com/mongodb/mongo-go-driver/
Expected behavior:
CHange import package name to go.mongodb.org/mongo-driver/
Minimal steps to reproduce the problem (not required if feature enhancement):
just run go get github.com/mongodb/mongo-go-driver/bson

 [7] → go get github.com/mongodb/mongo-go-driver/bson
package github.com/mongodb/mongo-go-driver/bson: code in directory /Users/xli/gopath/src/github.com/mongodb/mongo-go-driver/bson expects import "go.mongodb.org/mongo-driver/bson"

What is the motivation / use case for changing the behavior?

Please tell us about your environment (Operating system, docker version, browser & verison if webui, etc):

Flogo version (CLI & contrib/lib. If unknown, leave empty or state unknown): 0.X.X

Additional information you deem important (e.g. issue happens only occasionally):