Add descriptions for remaining event handling examples

Author: divyam3897

examples/event_handling/close_event.py

@@ -3,6 +3,7 @@
 Close Event
 ===========
 
+Example to show connecting events that occur when the figure closes.
 """
 from __future__ import print_function
 import matplotlib.pyplot as plt

examples/event_handling/data_browser.py

@@ -3,6 +3,11 @@
 Data Browser
 ============
 
+Connecting data between multiple canvases.
+
+This example covers how to interact data with multiple canvases. This
+let's you select and highlight a point on one axis, and generating the
+data of that point on the other axis.
 """
 import numpy as np
 

examples/event_handling/looking_glass.py

@@ -3,6 +3,7 @@
 Looking Glass
 =============
 
+Example using mouse events to simulate a looking glass for inspecting data.
 """
 import numpy as np
 import matplotlib.pyplot as plt

examples/event_handling/path_editor.py

@@ -3,6 +3,10 @@
 Path Editor
 ===========
 
+Sharing events across GUIs.
+
+This example demonstrates a cross-GUI application using Matplotlib event
+handling to interact with and modify objects on the canvas.
 """
 import numpy as np
 import matplotlib.path as mpath