Change SPDY server to run on port 80 and the backend HTTP server to run on port 8000 when doing SPDY tests.  This way, the traffic shaping still works correctly.   Also fix the kill mechanism for the ReplayProxy, which was dependent on SIGINT rather than SIGKILL
Change SPDY server to run on port 80 and the backend HTTP server to run on port 8000 when doing SPDY tests.  This way, the traffic shaping still works correctly.   Also fix the kill mechanism for the ReplayProxy, which was dependent on SIGINT rather than SIGKILL

git-svn-id: abd770af2affaf62930f25b244f6edafe8ddae5b@235 164481a5-15cb-f69f-4b93-856c5b7754c5

chromium/web-page-replay,snorp/web-page-replay,andrey-malets/web-page-replay,snorp/web-page-replay,ting-yuan/web-page-replay,andrey-malets/web-page-replay,bpsinc-native/src_third_party_webpagereplay,chromium/web-page-replay,bpsinc-native/src_third_party_webpagereplay,colin-scott/web-page-replay,colin-scott/web-page-replay,bpsinc-native/src_third_party_webpagereplay,ting-yuan/web-page-replay