443049 Improved HttpParser illegal character messages
435322 Added a idleTimeout to the SharedBlockerCallback
443262 Distinguish situation where jetty looks for tlds in META-INF but finds none vs does not look
443231 java.lang.NullPointerException on scavenge scheduling when session id manager declared before shared scheduler
443172 web-fragment.xml wrongly parsed for applications running in serlvet 2.4 mode
added npn and alpn license messages
Merge remote-tracking branch 'origin/master' into jetty-http2

Conflicts:
	jetty-alpn/jetty-alpn-server/src/main/config/modules/protonego-impl/alpn.mod
	jetty-http/src/main/java/org/eclipse/jetty/http/HttpParser.java
	jetty-npn/jetty-npn-server/src/main/config/modules/protonego-impl/npn.mod
	jetty-spdy/spdy-http-server/src/main/java/org/eclipse/jetty/spdy/server/http/HttpChannelOverSPDY.java