Add friendlier messages when you don't have any experiments/profiles/datasets.

www/aptui/template/user-dashboard.html

@@ -110,8 +110,8 @@
 		    </div>
 		    <div class="hidden" id="experiments_noexperiments">
 		      <br>
-		      No experiments to show you. Maybe you want to
-		      <b><a href='instantiate.php'>start one?</a></b>
+		      You do not have any active experiments. Click 
+		      <b><a href='instantiate.php'>here</a></b> to create one.
 		    </div>
 		  </div>
 		  <br>
@@ -122,8 +122,8 @@
 		  <div id="profiles_content">
 	      	    <div class="hidden" id="profiles_noprofiles">
 		      <br>
-		      No profiles to show you. Maybe you want to
-		      <b><a href='manage_profile.php'>create one?</a></b>
+		      You have not created any experiment profiles. You can either <b><a href='instantiate.php'>instantiate</a></b> an experiment with an existing profile or
+		      <b><a href='manage_profile.php'>create a new profile</a></b>.
 		    </div>
 		  </div>
 		  <br>
@@ -133,8 +133,8 @@
 		  <div id="datasets_content">
 	      	    <div class="hidden" id="datasets_nodatasets">
 		      <br>
-		      No datasets to show you. Maybe you want to
-		      <b><a href='create-dataset.php'>create one?</a></b>
+		      You do not have any datasets. Click 
+		      <b><a href='create-dataset.php'>here</a></b> to create one.
 		    </div>
 		  </div>
 		  <div id="classic_datasets_content" class="hidden">