Better text descriptions for examples

Reviewed By: @mkonicek

Differential Revision: D2443908

Examples/UIExplorer/BorderExample.js

@@ -94,7 +94,7 @@ var styles = StyleSheet.create({
 });
 
 exports.title = 'Border';
-exports.description = 'View borders';
+exports.description = 'Demonstrates some of the border styles available to Views.';
 exports.examples = [
   {
     title: 'Equal-Width / Same-Color',

Examples/UIExplorer/LayoutEventsExample.js

@@ -141,7 +141,8 @@ var styles = StyleSheet.create({
 });
 
 exports.title = 'Layout Events';
-exports.description = 'Layout events can be used to measure view size and position.';
+exports.description = 'Examples that show how Layout events can be used to ' +
+  'measure view size and position.';
 exports.examples = [
 {
   title: 'LayoutEventExample',

Examples/UIExplorer/PanResponderExample.js

@@ -31,7 +31,7 @@ var PanResponderExample = React.createClass({
 
   statics: {
     title: 'PanResponder Sample',
-    description: 'Basic gesture handling example',
+    description: 'Shows the use of PanResponder to provide basic gesture handling.',
   },
 
   _panResponder: {},

Examples/UIExplorer/PointerEventsExample.js

@@ -250,6 +250,6 @@ var styles = StyleSheet.create({
 
 exports.framework = 'React';
 exports.title = 'Pointer Events';
-exports.description = '`pointerEvents` is a prop of View that gives control ' +
-  'of how touches should be handled.';
+exports.description = 'Demonstrates the use of the pointerEvents prop of a ' +
+  'View to control how touches should be handled.';
 exports.examples = exampleClasses.map(infoToExample);

Examples/UIExplorer/TouchableExample.js

@@ -27,7 +27,7 @@ var {
 } = React;
 
 exports.displayName = (undefined: ?string);
-exports.description = 'Touchable and onPress examples';
+exports.description = 'Touchable and onPress examples.';
 exports.title = '<Touchable*> and onPress';
 exports.examples = [
 {

Examples/UIExplorer/ViewExample.js

@@ -85,7 +85,9 @@ var ViewBorderStyleExample = React.createClass({
 });
 
 exports.title = '<View>';
-exports.description = 'Basic building block of all UI.';
+exports.description = 'Basic building block of all UI, examples that ' +
+  'demonstrate some of the many styles available.';
+
 exports.displayName = 'ViewExample';
 exports.examples = [
   {