Add "ps" in mongo 3.0

https://github.com/docker-library/mongo/pull/155

library/mongo

@@ -5,7 +5,7 @@ Maintainers: Tianon Gravi <[email protected]> (@tianon),
 GitRepo: https://github.com/docker-library/mongo.git
 
 Tags: 3.0.14, 3.0
-GitCommit: eb6b52d7f8493566c349e55582b4f35aacd038cd
+GitCommit: 1047c0e9975a32102595bc824a2655dee22e595a
 Directory: 3.0
 
 Tags: 3.0.14-windowsservercore, 3.0-windowsservercore
@@ -14,7 +14,7 @@ Directory: 3.0/windows/windowsservercore
 Constraints: windowsservercore
 
 Tags: 3.2.12, 3.2
-GitCommit: eb6b52d7f8493566c349e55582b4f35aacd038cd
+GitCommit: 1047c0e9975a32102595bc824a2655dee22e595a
 Directory: 3.2
 
 Tags: 3.2.12-windowsservercore, 3.2-windowsservercore
@@ -23,7 +23,7 @@ Directory: 3.2/windows/windowsservercore
 Constraints: windowsservercore
 
 Tags: 3.4.2, 3.4, 3, latest
-GitCommit: eb6b52d7f8493566c349e55582b4f35aacd038cd
+GitCommit: 1047c0e9975a32102595bc824a2655dee22e595a
 Directory: 3.4
 
 Tags: 3.4.2-windowsservercore, 3.4-windowsservercore, 3-windowsservercore, windowsservercore