Making testcase JDK 1.5 compatible
401317 - Make Safari 5.x websocket support minVersion level error more clear

 + Making error message about minVersion configurable more clear on both
   the Logging on the server side, and the HTTP/1.1 400 error response
   line
Merge branch 'jetty-7' into jetty-8
401485 zip file closed exception
Merge remote-tracking branch 'origin/jetty-8'

Conflicts:
	jetty-servlets/src/test/java/org/eclipse/jetty/servlets/ProxyServletTest.java
	jetty-websocket/src/main/java/org/eclipse/jetty/websocket/WebSocketFactory.java
	jetty-websocket/src/test/java/org/eclipse/jetty/websocket/helper/SafariD00.java