added the webui to the tarball

webui/system/helper/libchart/ChangeLog

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+Libchart ChangeLog
+==================
+(C) 2005-2010 Jean-Marc Tr<54>meaux
+
+
+VERSION 1.2.2: (2010-10-12)
+==========
+  BUGFIXES:
+	* Ability to change colors.
+	* Fix #1 : Pie chart filled with solid color when percentage < 1.
+
+VERSION 1.2.1: (2008-04-10)
+==========
+  BUGFIXES:
+	* Ability to set the upper/lower bounds (regression).
+	* HorizontalBarChart: a small box is shown when x = 0 (regression).
+	* Multiple series charts: when we go over the maximum series count, loop over color.
+	* Multiple series bar chart: brown color is shown twice.
+	* Pie chart : if some relative percentage is null, the whole diagram is filled in by one color.
+	* Ability to use negative values in bar chart.
+
+VERSION 1.2: (2007-08-13)
+==========
+  LICENSE:
+    * Change of license to GPL v3
+
+  FEATURES:
+	* Multiple line charts
+	* Multiple vertical and horizontal bar charts
+	* Customizable layout (plot)
+	
+  REFACTORING:
+	* Support for PHP4 is deprecated, as PHP 4 has reached its end of life.
+	* Use of PHP5 OO constructs
+    * Use of <?php tags for better server compatibility
+    * Better separation of data and presentation objects, introduction of dataset objects
+
+
+VERSION 1.1: (2006-04-02)
+==========
+  CHANGES:
+    * Added Line Charts
+    * Bar Chart: default lower bound set to value 0 (seems more intuitive).
+      Use $chart->setLowerBound(null) if you want to revert to the old behaviour.
+
+  BUGFIXES:
+    * Removed undefined IMG_ARC_FILL constant
+    * Added missing default parameter in HorizontalChart::render()
+    * Fixed decimal values in Bar Charts
+    * Typo in default logo
+    * Crashed when no point was defined
+    * Crashed when all values were set to 0
+
+Version 1.0: (2005-09-30)
+==========
+  INITIAL RELEASE
+