Implemented ALPNServerConnection and refactored common code with NPN.
Refactored SPDY modules to extract into a different module the tests
that required NPN to run.
Initial support for JDK 8 builds.

Added ALPN version and moved jetty-osgi module to a profile, only
built when using JDK 7.
Refactored SPDY modules and added ALPN tests.
Updated ALPN API version to 1.0.0.
Merged branch 'master' into 'jetty-9-alpn'.
Updated POMs to use ALPN. TestJettyOSGiBootSpdy still not working.
Merged branch 'master' into 'jetty-9-alpn'.
Merged branch 'master' into 'jetty-9-alpn'.
Implemented ALPN client-side connection.
Implemented ALPN client-side connection.
This time added implementation classes :)
Cleaned up wrong or unused configuration, and replaced NPN with ALPN.
Merged branch 'master' into 'jetty-9-alpn'.
419801 - Upgrade to asm5 for jdk8

+ Upgrading to version 5.0.1
Attempting to fix OSGi build for Java 8
Sprinkling in some test timeouts for the Java 8 build
Adding alpn.version to other compatible java 7 updates
More work to make alpn & npn builds sane
Adding more start debug for lib resolution steps
431279 - jetty-start / Unable to start jetty if no properties are defined.

+ Removed spurious check for no properties set (as System Properties are
  not part of that check, but should have been, which essentially means
  that there is never no properties available)