Fix kosmos-ipfs not requiring nodejs/npm

If node isn't installed on a machine by something else before running
the kosmos-ipfs recipe, then it fails.

site-cookbooks/kosmos-ipfs/metadata.rb

@@ -9,5 +9,6 @@ version          '0.3.0'
 depends 'ipfs'
 depends 'kosmos-base'
 depends 'kosmos-nginx'
+depends 'kosmos-nodejs'
 depends 'firewall'
 depends 'application_javascript'

site-cookbooks/kosmos-ipfs/recipes/kredits_pinner.rb

@@ -24,6 +24,8 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
 
+include_recipe 'kosmos-nodejs'
+
 app_name     = "kredits-ipfs-pinner"
 deploy_user  = "ipfs"
 deploy_group = "ipfs"