fix: logrus case problem according to https://github.com/sirupsen/logrus/issues/553\#issuecomment-306591437

Author: Abdul Dakkak

glide.yaml

@@ -2,6 +2,10 @@ package: github.com/rai-project/vipertags
 import:
 - package: github.com/sirupsen/logrus
   version: ~0.11.5
+- package: github.com/Sirupsen/logrus
+  repo: [email protected]:/sirupsen/logrus
+  vcs: git
+  version: ~0.11.5
 - package: github.com/fatih/structs
 - package: github.com/k0kubun/pp
   version: ~2.3.0