Improve gauge help text property descriptions.

Author: colinl

nodes/widgets/locales/en-US/ui_gauge.html

@@ -2,14 +2,14 @@
 <script type="text/html" data-help-name="ui-gauge">
     <h3>Properties</h3>
     <dl class="message-properties">
-        <dt>Type <span class="property-type">half | 3/4</span></dt>
-        <dd>Defines the shape of the gauge, <i>"Tile"</i>, <i>"Battery"</i>, <i>"Water Tank"</i>, <i>"Half Gauge"</i> or <i>"3/4 Gauge"</i>.</dd>
+        <dt>Type <span class="property-type">see detail</span></dt>
+        <dd>Defines the type and shape of the gauge, <i>"Tile"</i>, <i>"Battery"</i>, <i>"Water Tank"</i>, <i>"Half Gauge"</i> or <i>"3/4 Gauge"</i>.</dd>
         <dt>Style <span class="property-type">rounded | needle</span></dt>
-        <dd>Defines the style of arc rendered, "Needle" or "Rounded". Not available for "Tile".</dd>
+        <dd>Defines the style of arc rendered, "Needle" or "Rounded". Only available for "Half Gauge" and "3/4 Gauge".</dd>
         <dt>Range <span class="property-type">number</span></dt>
         <dd>The smallest and largest values that can be rendered on the gauge</dd>
         <dt>Segments <span class="property-type">list</span></dt>
-        <dd>Collection of objects that define the relevant color for a given value</dd>
+        <dd>Collection of objects that define the relevant color for a given value, and the overlay text source for Tile gauges.</dd>
         <dt>Label <span class="property-type">list</span></dt>
         <dd>The label text shown above the gauge</dd>
         <dt>Value <span class="property-type">typed input</span></dt>