vendor: update dependencies with github.com/kardianos/govendor

vendor/gopkg.in/urfave/cli.v1/.gitignore

@@ -1,2 +0,0 @@
-*.coverprofile
-node_modules/

vendor/gopkg.in/urfave/cli.v1/.travis.yml

@@ -1,39 +0,0 @@
-language: go
-
-sudo: false
-
-cache:
-  directories:
-  - node_modules
-
-go:
-- 1.2.x
-- 1.3.x
-- 1.4.2
-- 1.5.x
-- 1.6.x
-- 1.7.x
-- master
-
-matrix:
-  allow_failures:
-  - go: master
-  include:
-  - go: 1.6.x
-    os: osx
-  - go: 1.7.x
-    os: osx
-
-before_script:
-- go get github.com/urfave/gfmrun/... || true
-- go get golang.org/x/tools/... || true
-- if [ ! -f node_modules/.bin/markdown-toc ] ; then
-    npm install markdown-toc ;
-  fi
-
-script:
-- ./runtests gen
-- ./runtests vet
-- ./runtests test
-- ./runtests gfmrun
-- ./runtests toc