add test for gzip streaming and flushing write
add test for gzip streaming and flushing write
Instituting Content-Length OR Transfer-Encoding check in GzipFilter tests

+ Tests currently fail, will let greg look deeply into jetty's eyes to
  determine why it defiantly doesn't want to cooperate with greg.
411755  MultiPartInputStreamParser fails on base64 encoded content
Merge remote-tracking branch 'origin/jetty-7' into jetty-8

Conflicts:
	jetty-servlets/src/main/java/org/eclipse/jetty/servlets/MultiPartFilter.java