Better aggregation name and ordering

* Renaming 'email' to 'author'
* Ascending granularity ordering of aggregations
* Improved tooltips for credentials

Feature: Issue 9964
Change-Id: I30c728584144680e861a6c5a43be3d8f5f925a52

src/main/resources/static/analytics-dashboard.html

diff --git a/src/main/resources/static/analytics-dashboard.html b/src/main/resources/static/analytics-dashboard.html
index af9e042..c0f0584 100644
--- a/src/main/resources/static/analytics-dashboard.html
+++ b/src/main/resources/static/analytics-dashboard.html
@@ -41,11 +41,11 @@
                     Aggregation type
                 </button>
                 <ul class="dropdown-menu" aria-labelledby="aggregate">
-                    <li><a href="#" data-value="email">E-Mail Only</a></li><span class="caret"></span>
-                    <li><a href="#" data-value="email_hour">Email per hour</a></li>
-                    <li><a href="#" data-value="email_day">Email per day</a></li>
-                    <li><a href="#" data-value="email_month">Email per month</a></li>
-                    <li><a href="#" data-value="email_year">Email per year</a></li>
+                    <li><a href="#" data-value="email_hour">Author per hour</a></li>
+                    <li><a href="#" data-value="email_day">Author per day</a></li>
+                    <li><a href="#" data-value="email_month">Author per month</a></li>
+                    <li><a href="#" data-value="email_year">Author per year</a></li>
+                    <li><a href="#" data-value="email">Author Only</a></li><span class="caret"></span>
                 </ul>
             </div>
         </div>
@@ -73,13 +73,13 @@
             <label >Username</label>
         </div>
         <div class="col-lg-3">
-            <input data-toggle="tooltip" title="Gerrit API Username" id="username" type="text">
+            <input data-toggle="tooltip" title="Gerrit API Username: ETL job is independent from Gerrit, hence it needs credentials to access its API when basic auth is enabled" id="username" type="text">
         </div>
         <div class="col-lg-1">
             <label >Password</label>
         </div>
         <div class="col-lg-3">
-            <input data-toggle="tooltip" title="Gerrit API Password" id="password" type="password" placeholder="Password">
+            <input data-toggle="tooltip" title="Gerrit API Password: ETL job is independent from Gerrit, hence it needs credentials to access its API when basic auth is enabled" id="password" type="password" placeholder="Password">
         </div>
     </div>