Add the first version of whoisactive project (#943)

* add the first version of whoisactive

* address comments

* address comments

* fix the issues from the last commit

* clean up package.json

samples/sp_whoIsActive/tasks/config.js

@@ -0,0 +1,19 @@
+var path = require('path');
+
+var projectRoot = path.resolve(path.dirname(__dirname));
+var srcRoot = path.resolve(projectRoot, 'src');
+var localization = path.resolve(projectRoot, 'localization');
+
+var config = {
+    paths: {
+        project: {
+            root: projectRoot,
+            localization: localization
+        },
+        extension: {
+            root: srcRoot
+        }
+    }
+};
+
+module.exports = config;