CHANGELOG update and format fixups; fix python version info in INSTALL

svn path=/trunk/matplotlib/; revision=8204

Author: efiring

CHANGELOG

@@ -1,16 +1,20 @@
+2010-03-20 Added conditional support for new Tooltip API in gtk backend. - EF
+
 2010-03-20 Changed plt.fig_subplot() to plt.subplots() after discussion on
-	   list, and changed its API to return axes as a numpy object array
-	   (with control of dimensions via squeeze keyword). FP.
+           list, and changed its API to return axes as a numpy object array
+           (with control of dimensions via squeeze keyword). FP.
 
 2010-03-13 Manually brought in commits from branch
 
   ------------------------------------------------------------------------
   r8191 | leejjoon | 2010-03-13 17:27:57 -0500 (Sat, 13 Mar 2010) | 1 line
 
-  fix the bug that handles for scatter are incorrectly set when dpi!=72. Thanks to Ray Speth for the bug report.
+  fix the bug that handles for scatter are incorrectly set when dpi!=72.
+  Thanks to Ray Speth for the bug report.
 
 
-2010-03-03 Manually brought in commits from branch via diff/patch (svnmerge is broken)
+2010-03-03 Manually brought in commits from branch via diff/patch
+        (svnmerge is broken)
 
   ------------------------------------------------------------------------
   r8175 | leejjoon | 2010-03-03 10:03:30 -0800 (Wed, 03 Mar 2010) | 1 line
@@ -35,15 +39,15 @@
 
 2010-02-25 add annotation_demo3.py that demonstrates new functionality. -JJL
 
-2010-02-25 refactor Annotation to support arbitrary Transform as xycoords 
-           or textcoords. Also, if a tuple of two coordinates is provided, 
-           they are interpreted as coordinates for each x and y position. 
+2010-02-25 refactor Annotation to support arbitrary Transform as xycoords
+           or textcoords. Also, if a tuple of two coordinates is provided,
+           they are interpreted as coordinates for each x and y position.
            -JJL
 
 2010-02-24 Added pyplot.fig_subplot(), to create a figure and a group of
-	   subplots in a single call.  This offers an easier pattern than
-	   manually making figures and calling add_subplot() multiple times. FP
-	   
+           subplots in a single call.  This offers an easier pattern than
+           manually making figures and calling add_subplot() multiple times. FP
+
 2010-02-17 Added Gokhan's and Mattias' customizable keybindings patch
            for the toolbar.  You can now set the keymap.* properties
            in the matplotlibrc file.  Newbindings were added for
@@ -67,7 +71,7 @@
            warnings can be turned into fatal errors easily if desired. - FP
 
 2010-01-29 Added draggable method to Legend to allow mouse drag
-placement.  Thanks Adam Fraser. JDH
+           placement.  Thanks Adam Fraser. JDH
 
 2010-01-25 Fixed a bug reported by Olle Engdegard, when using
            histograms with stepfilled and log=True - MM

INSTALL

@@ -1,7 +1,7 @@
 
 INTRODUCTION
 
-  matplotlib requires at a minimum python 2.3, numpy, libpng and
+  matplotlib requires at a minimum python 2.4, numpy, libpng and
   freetype.  To get the most out of matplotlib, you will want to build
   some of the optional GUI and image extensions, discussed below.
   Matplotlib is known to work on linux, unix, win32 and OS X