Fix for issue #141

Added redirected flag in ResponseWrapper to be used in MatcherFilter
to see if response has been redirected and hence consumed.
Merge pull request #148 from perwendel/issue_141

Fix for issue #141
Merge branch 'master' of https://github.com/perwendel/spark

Conflicts:
	src/main/java/spark/webserver/MatcherFilter.java
	src/main/java/spark/webserver/ResponseWrapper.java