migrate to go modules from vndr

Signed-off-by: Tariq Ibrahim <tariq181290@gmail.com>

vendor/github.com/bshuster-repo/logrus-logstash-hook/.gitignore

@@ -0,0 +1,26 @@
+# Compiled Object files, Static and Dynamic libs (Shared Objects)
+*.o
+*.a
+*.so
+
+# Folders
+_obj
+_test
+.idea
+
+# Architecture specific extensions/prefixes
+*.[568vq]
+[568vq].out
+
+*.cgo1.go
+*.cgo2.c
+_cgo_defun.c
+_cgo_gotypes.go
+_cgo_export.*
+
+_testmain.go
+
+*.exe
+*.test
+*.prof
+*.iml

vendor/github.com/bshuster-repo/logrus-logstash-hook/.travis.yml

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+language: go
+sudo: false
+
+matrix:
+  include:
+    - go: 1.3
+    - go: 1.4
+    - go: 1.5
+    - go: 1.6
+    - go: tip
+
+install:
+  - # Skip
+
+script:
+  - go get -t -v ./...
+  - diff -u <(echo -n) <(gofmt -d .)
+  - go tool vet .
+  - go test -v -race ./...

vendor/github.com/bshuster-repo/logrus-logstash-hook/CHANGELOG.md

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+# Changelog
+
+## 0.4
+
+ * Update the name of the package from `logrus_logstash` to `logrustash`
+ * Add TimeFormat to Hook
+ * Replace the old logrus package path: `github.com/Sirupsen/logrus` with `github.com/sirupsen/logrus` 
+
+## 0.3
+
+ * Fix the Logstash format to set `@version` to `"1"`
+ * Add unit-tests to logstash.go
+ * Remove the assert package
+ * Add prefix filtering
+
+## Before that (major changes)
+
+ * Update LICENSE to MIT from GPL