fix: add involves edge from task to agent:nomos at creation

Plus sync vendor directory for Docker build compatibility.

vendor/github.com/gofrs/flock/.travis.yml

@@ -0,0 +1,10 @@
+language: go
+go:
+  - 1.14.x
+  - 1.15.x
+script: go test -v -check.vv -race ./...
+sudo: false
+notifications:
+  email:
+    on_success: never
+    on_failure: always