Remove Go 1.5 from Travis

bep · bep · commit 5ccb023bc27d · 2016-10-24T15:14:44.000+02:00
Fails to go get golint.

Also bump Go 1.7 to 1.7.3
diff --git a/.travis.yml b/.travis.yml
@@ -3,9 +3,8 @@ sudo: false
 language: go
 
 go:
-        - 1.5.4
         - 1.6.3
-        - 1.7
+        - 1.7.3
         - tip
 
 matrix:

-Original file line number
+Diff line change
 language: go
 go:
 -        - 1.5.4
         - 1.6.3
 -        - 1.7
 +        - 1.7.3
         - tip
 matrix: