Reproduce commit 0b7e7b4, adjusted for branch

This renames the JSON data file to "features-info.json", to better
reflect its role.  It is the same as commit 0b7e7b4 on 'master',
but adjusted for the 'reqs-code-here' branch.

README.md

@@ -28,9 +28,9 @@ PSM's feature progress.
 * `refresh-dashboard`
    Script to orchestrate everything: gather and combine the
    features/RTM mapping, requirements, and issue labels so as to
-   produce `dashboard-input.json`
+   produce `features-info.json`
 
-* `dashboard-input.json`
+* `features-info.json`
   The result of one run of `refresh-dashboard`.  This is a generated
   file and therefore in theory we shouldn't version it here.  But in
   practice: it's rather expensive to generate, so once we have a new

dashboard.js

@@ -13,7 +13,7 @@
     rawFile.send(null);
   }
 
-  readJsonFile("dashboard-input.json", function(text) {
+  readJsonFile("features-info.json", function(text) {
     var data = JSON.parse(text);
     window.drawFeaturesPieChart(data, d3);
     window.drawFeaturesBurnDownChart(data, d3);

get-inputs

@@ -45,7 +45,7 @@ Prerequisites:
 
 Usage:
 
-  $ ./get-inputs [--featureless-reqs] > sample-output.json
+  $ ./get-inputs [--featureless-reqs] > features-info.json
 
 (Note that some "DEBUG" prints will appear on stderr; they are being
 used as a cheap kind of progress meter.  Just redirect stdout as in