Updated changelog for 'Io' release

git-svn-id: http://svn.osgeo.org/qgis/trunk@8364 c8812cc2-4d05-0410-92ff-de0c093fc19c

ChangeLog

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 /* ChangeLog,v 1.214 2004/11/12 00:42:21 gsherman Exp */
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+Version 0.10.0 'Io'
+** This release includes over 120 bug fixes and enchancements 
+** over the QGIS 0.9.1 release. In addition we have added 
+** the following new features:
+** Improvements to digitising capabilities.
+** Supporting default and defined styles (.qml) files for file based 
+** vector layers. With styles you can save the symbolisation 
+** and other settings associated with a vector layer and they 
+** will be loaded whenever you load that layer.
+** Improved support for transparency and contrast stretching 
+** in raster layers. Support for color ramps in raster layers. 
+** Support for non-north up rasters. Many other raster 
+** improvements 'under the hood'.
+** Updated icons for improved visual consistancy.
+** Support for migration of old projects to work in newer QGIS versions.
 Version 0.9.2rc1 'Ganymede'
 ** This release candidate includes over 40 bug fixes and enchancements 
 ** over the QGIS 0.9.1 release. In addition we have added