* java/net/JarURLConnection.java
	(jarFileURL): Added dcoumentation.
	(jarFileURLConnection): Reformated documentation.
	(entryName): Renamed from "element", documentation rewritten.
	(connectionCache): Renamed from "conn_cache", documentation
	reformated.
	(JarURLConnection): Check URL protocol.
	(getEntryName): Use entryName.
	(connect): Use connectionCache.
	(getInputStream): Use entryName, fixed comment.
	(getJarEntry): Use entryName.
	(getHeaders): Use entryName.
	* java/net/URLConnection.java
	(addRequestProperty): Fixed documentation.
	(setDefaultRequestProptery): Added comment that it does nothing since
	JDK 1.3.
	(getDefaultRequestProperty): Likewise.

From-SVN: r72420