chore(stats): add cli release tag tracking to stats.

Author: jthoms1

lib/ionic/stats.js

@@ -112,6 +112,11 @@ exports.IonicStats = {
         statsData.account_id = ionicConfig.get('id');
       } catch (e2) {}
 
+      var releaseTag = statsData.cli_version.split('-')[1];
+      if (releaseTag) {
+        statsData.cli_release_tag = releaseTag.split('.')[0];
+      }
+
       this.mp(cmdName, statsData);
       //console.log(cmdName, statsData);