Added xml UI for the avfilter.colorcorrect

data/effects/avfilter/avfilter_colorcorrect.xml

+<!DOCTYPE kpartgui>
+<effect tag="avfilter.colorcorrect" id="avfilter.colorcorrect">
+	<name>Color Correct</name>
+	<description>Adjust color white balance selectively for blacks and whites.This filter operates in YUV colorspace.</description>
+	<author>libavfilter</author>
+	<parameter type="animated" name="av.rl" default="0" min="-1" max="1" decimals="3">
+                <name>Red shadow spot</name>
+        </parameter>
+        <parameter type="animated" name="av.bl" default="0" min="-1" max="1" decimals="3">
+                <name>Blue shadow spot</name>
+        </parameter>
+        <parameter type="animated" name="av.rh" default="0" min="-1" max="1" decimals="3">
+                <name>Red highlight spot</name>
+        </parameter>
+         <parameter type="animated" name="av.bh" default="0" min="-1" max="1" decimals="3">
+                <name>Blue highlight spot</name>
+        </parameter>
+        <parameter type="animated" name="av.saturation" default="1" min="-3" max="3" decimals="3">
+                <name>Saturation</name>
+        </parameter>
+        <parameter type="list" name="av.analyze" default="manual" paramlist="manual;average;minimax;median">
+                <paramlistdisplay>Manual,Average,Minimax,Median</paramlistdisplay>
+                <name>Analyze mode</name>
+        </parameter>
+</effect>