Updated Benchmarking your changes (markdown)

Benchmarking-your-changes.md

@@ -22,6 +22,7 @@ Run the following commands to create a 'baseline' measurement (i.e., before you
 
     $ git checkout master
     $ gulp generic
+    $ gulp components
     $ cd test
     $ node test.js --statsFile=stats/results/baseline.json --statsDelay=5000 --manifestFile=benchmark.json
 
@@ -30,6 +31,7 @@ Then apply your changes and create a 'current' measurement (replace `<feature-br
     $ cd ..
     $ git checkout <feature-branch>
     $ gulp generic
+    $ gulp components
     $ cd test
     $ node test.js --statsFile=stats/results/current.json --statsDelay=5000 --manifestFile=benchmark.json