Revert "453829 removed code with yahoo copyright"

This reverts commit 65c7b621f62ee1ecae27739f5fbf1df235bb676b.
The yahoo copyright messages were removed by the contributor in the bugzilla/pullrequest
454983  Source bundles should not be singleton
454954  Jetty osgi should skip fragment and required bundles that are in the uninstalled state
454955 OSGi AnnotationParser should skip resources that are not in the classpath and close the class inputstream when done scanning it
Update version of jetty-osgi-servlet-api artifact for testing.
455047 Update JASPI

Added test harnesses. Corrected a few issues.
454773 - SSLConnection use on Android client results in loop

+ Adding safety check for SSL unwrap in client mode that
  results in OK status but no content
Some extra safety checks
455330  Multiple Jetty-ContextFilePath entries separated by commas doesn't work
455476 MongoSessionManager sessions always expire at create + maxIdle
New tests testing request retry.
Configuring output aggregation size when configuring output buffer size.
Merged branch 'jetty-9.2.x' into 'master'.