rename chardet.jar to name from maven

The class files in the yacy jar differs from the one downloaded
from maven. But the file tree is equal.

.classpath

@@ -13,7 +13,7 @@
 	<classpathentry kind="lib" path="lib/avatica-core-1.13.0.jar"/>
 	<classpathentry kind="lib" path="lib/calcite-core-1.18.0.jar"/>
 	<classpathentry kind="lib" path="lib/calcite-linq4j-1.18.0.jar"/>
-	<classpathentry kind="lib" path="lib/chardet.jar"/>
+	<classpathentry kind="lib" path="lib/jchardet-1.0.jar"/>
 	<classpathentry kind="lib" path="lib/common-image-3.3.2.jar"/>
 	<classpathentry kind="lib" path="lib/common-io-3.3.2.jar"/>
 	<classpathentry kind="lib" path="lib/common-lang-3.3.2.jar"/>

build.xml

@@ -178,7 +178,7 @@
         <pathelement location="${lib}/bcprov-jdk15on-1.69.jar" />
         <pathelement location="${lib}/calcite-core-1.18.0.jar" />
         <pathelement location="${lib}/calcite-linq4j-1.18.0.jar" />
-        <pathelement location="${lib}/chardet.jar" />
+        <pathelement location="${lib}/jchardet-1.0.jar" />
         <pathelement location="${lib}/common-image-3.3.2.jar" />
         <pathelement location="${lib}/common-io-3.3.2.jar" />
         <pathelement location="${lib}/common-lang-3.3.2.jar" />