Merge pull request #2753 from influxdata/master

Update telegraf alpine images so ping works correctly

library/telegraf

@@ -2,20 +2,20 @@ Maintainers: Jonathan A. Sternberg <[email protected]> (@jsternberg)
 
 Tags: 1.1, 1.1.2
 GitRepo: git://github.com/influxdata/influxdata-docker
-GitCommit: ceb9e81abf0b7707d5184ffdf4c228ee33cda178
+GitCommit: 5c505409450ba443d94484844787958e22b8be81
 Directory: telegraf/1.1
 
 Tags: 1.1-alpine, 1.1.2-alpine
 GitRepo: git://github.com/influxdata/influxdata-docker
-GitCommit: ceb9e81abf0b7707d5184ffdf4c228ee33cda178
+GitCommit: 5c505409450ba443d94484844787958e22b8be81
 Directory: telegraf/1.1/alpine
 
 Tags: 1.2, 1.2.1, latest
 GitRepo: git://github.com/influxdata/influxdata-docker
-GitCommit: bfe6669de0d8adcd5601e511738b32d409a2b5a7
+GitCommit: 5c505409450ba443d94484844787958e22b8be81
 Directory: telegraf/1.2
 
 Tags: 1.2-alpine, 1.2.1-alpine, alpine
 GitRepo: git://github.com/influxdata/influxdata-docker
-GitCommit: bfe6669de0d8adcd5601e511738b32d409a2b5a7
+GitCommit: 5c505409450ba443d94484844787958e22b8be81
 Directory: telegraf/1.2/alpine