Switch back to symlinking on Linux and Mac

and fix existence of markdown-toc on Windows

.travis.yml

@@ -35,7 +35,9 @@ before_script:
 - if [ ! -f node_modules/.bin/markdown-toc ] ; then
     npm install markdown-toc ;
   fi
-- git clone . ${GOPATH%%:*}/src/gopkg.in/urfave/cli.v2
+- mkdir -p ${GOPATH%%:*}/src/gopkg.in/urfave
+- rm -rvf ${GOPATH%%:*}/src/gopkg.in/urfave/cli.v2
+- ln -sv ${TRAVIS_BUILD_DIR} ${GOPATH%%:*}/src/gopkg.in/urfave/cli.v2
 - go get github.com/urfave/gfmxr/...
 
 script:

appveyor.yml

@@ -4,6 +4,9 @@ os: Windows Server 2012 R2
 
 clone_folder: c:\gopath\src\github.com\urfave\cli
 
+cache:
+- node_modules
+
 environment:
   GOPATH: C:\gopath
   GOVERSION: 1.6
@@ -19,6 +22,9 @@ install:
 - git clone . c:\gopath\src\gopkg.in\urfave\cli.v2
 - go get github.com/urfave/gfmxr/...
 - go get -v -t ./...
+- ps: Install-Product node 6
+- ps: $MarkdownTocExists = Test-Path node_modules\.bin\markdown-toc
+- ps: if ($MarkdownTocExists -eq $False) { npm install markdown-toc }
 
 build_script:
 - python runtests vet