Added Real-Time DXT1/DXT5 C compression library to CopyrightsDialog

+ updated icons for mirroring

resources/icons/mirroring_off.svg

@@ -4,19 +4,19 @@
 	 viewBox="0 0 16 16" enable-background="new 0 0 16 16" xml:space="preserve">
 <g id="mirror_x5F_off">
 	<g>
-		<path fill="none" stroke="#808080" stroke-linecap="round" stroke-miterlimit="10" d="M10,3.01l4,0c0.55,0,1,0.45,1,1v8
-			c0,0.55-0.45,1-1,1h-4"/>
+		<path fill="none" stroke="#000000" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" stroke-miterlimit="10" d="
+			M10,3.01l3,0c0.55,0,1,0.45,1,1v8c0,0.55-0.45,1-1,1h-3"/>
 	</g>
 	<g>
-		<path fill="none" stroke="#808080" stroke-linecap="round" stroke-miterlimit="10" d="M6,3.01L2,3C1.45,3,1,3.45,1,4v8
-			c0,0.55,0.45,1,1,1h4"/>
+		<path fill="none" stroke="#000000" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" stroke-miterlimit="10" d="
+			M6,3.01L3,3C2.45,3,2,3.45,2,4v8c0,0.55,0.45,1,1,1h3"/>
 	</g>
 	<g>
 		<g>
-			<line fill="none" stroke="#808080" stroke-linecap="round" stroke-miterlimit="10" x1="8" y1="1" x2="8" y2="3.5"/>
+			<line fill="none" stroke="#000000" stroke-linecap="round" stroke-miterlimit="10" x1="8" y1="1" x2="8" y2="3.5"/>
 			
-				<line fill="none" stroke="#808080" stroke-linecap="round" stroke-miterlimit="10" stroke-dasharray="3,3" x1="8" y1="6.5" x2="8" y2="11"/>
-			<line fill="none" stroke="#808080" stroke-linecap="round" stroke-miterlimit="10" x1="8" y1="12.5" x2="8" y2="15"/>
+				<line fill="none" stroke="#000000" stroke-linecap="round" stroke-miterlimit="10" stroke-dasharray="3,3" x1="8" y1="6.5" x2="8" y2="11"/>
+			<line fill="none" stroke="#000000" stroke-linecap="round" stroke-miterlimit="10" x1="8" y1="12.5" x2="8" y2="15"/>
 		</g>
 	</g>
 </g>