Address part of issue #185; when using a geni-lib script, add a message

indicating that the description/instructions are set withing the script.
Also added a help modal with extra detail about doc string and format.

www/aptui/js/manage_profile.js

@@ -497,6 +497,7 @@ $(function ()
 	        //$('#edit_copy_button').removeClass("hidden");
 		$('#profile_instructions').prop("readonly", true);
 		$('#profile_description').prop("readonly", true);
+		$('.geni-lib-warning').removeClass("hidden");
 	    }
 	}
 	else {

www/aptui/template/manage-profile.html

@@ -158,7 +158,8 @@
 		<a href='#' class='btn btn-xs'
 		   data-toggle='popover'
 		   data-content='alphanumeric, dash, underscore, no whitespace'>
-		  <span class='glyphicon glyphicon-question-sign'></span>
+		  <span style='margin-bottom: 4px;'
+			class='glyphicon glyphicon-question-sign'></span>
 		</a>
 	      </label>
 	      <div class='col-sm-3'>
@@ -262,31 +263,52 @@
                       type='textarea'
 		      data-key='profile_script'
 		      rows=5><%- formfields.profile_script %></textarea>
+	  </fieldset>
+	  <fieldset>
 	    <div class="form-group">
-	      <textarea name=formfields[profile_description]
-		      id='profile_description'
-		      rows=3
-                      class='form-control format-me'
-                      type='textarea'
+	      <div class="format-me"
 		   data-key='profile_description'
 		   data-label='Description'
 		   data-help='Briefly describe what this profile
 			      does. Use <a href="https://github.com/adam-p/markdown-here/wiki/Markdown-Cheatsheet" target=_blank>Markdown format</a>, double click
-		      to see a rendering.'
-		      ><%- formfields.profile_description %></textarea>
+			      to see a rendering.'>
+		<textarea name=formfields[profile_description]
+			  id='profile_description'
+			  rows=3
+			  class='form-control'
+			  type='textarea'></textarea>
+		<div class="geni-lib-warning hidden"><small class="pull-right">
+		  Description set by geni-lib script
+		  <a href='#' class='btn btn-xs'
+		     data-toggle='modal'
+		     data-target="#docstring-help-modal">
+		    <span style='margin-bottom: 4px; margin-left: 0px;'
+			  class='glyphicon glyphicon-question-sign'></span></a>
+		</small></div>
+	      </div>
 	    </div>
 	    <div class="form-group">
-	      <textarea name=formfields[profile_instructions]
-		      id='profile_instructions'
-		      rows=3
-                      class='form-control format-me'
+	      <div class='format-me'
 		   data-key='profile_instructions'
 		   data-label='Instructions'
 		   data-help='Briefly describe how to use this
 		              profile after it starts.
 		              Use <a href="https://github.com/adam-p/markdown-here/wiki/Markdown-Cheatsheet" target=_blank>Markdown format</a>, double click
- 		                 to see a rendering.'
+ 		              to see a rendering.'>
+	      <textarea name=formfields[profile_instructions]
+			id='profile_instructions'
+			class='form-control'
+			rows=3
 			type='textarea'></textarea>
+	      <div class="geni-lib-warning hidden"><small class="pull-right">
+		Instructions set by geni-lib script
+		<a href='#' class='btn btn-xs'
+		   data-toggle='modal'
+		   data-target="#docstring-help-modal">
+		  <span style='margin-bottom: 4px; margin-left: 0px;'
+			class='glyphicon glyphicon-question-sign'></span></a>
+	      </small></div>
+	      </div>
 	    </div>
 
 	    <!-- Tour Table; hidden until the table is initialized
@@ -595,6 +617,38 @@
       </div>
     </div>
   </div>
+  <!-- Docstring help -->
+  <div id='docstring-help-modal' class='modal fade'
+       data-keyboard='false' data-backdrop='static'>
+    <div class='modal-dialog'>
+      <div class='modal-content'>
+	<div class='modal-body'>
+	  <p>
+	    When using a geni-lib python script, you set the profile
+	    description and instructions <b>within</b> the script source using
+	    a <a href="https://en.wikipedia.org/wiki/Docstring">
+	    python module docstring</a>, typically at the very beginning of
+	    the script. For example:
+	  </p>
+	  <pre>
+"""This is a description of your profile, it can be multi-line.
+Every profile must include a description. 
+
+Instructions:
+These are instructions for using your profile after it is instantiated.
+Instructions are optional.
+"""	  </pre>
+	  <br>
+          <center>
+            <button type='button'
+                    class='btn btn-default btn-sm' 
+                    data-dismiss='modal'>
+	      Close</button>
+	  </center>
+	</div>
+      </div>
+    </div>
+  </div>
   <!-- Warn parameterized profile -->
   <div id='warn_pp_modal' class='modal fade'>
     <div class='modal-dialog'>