geoserver/geoserver — pull request #178 by ischneider (2013-03-05 18:17:37+00:00)
Title: cache-control headers in integrated wms, GEOS-5686

- cleanup interceptor, add max-age header from layer metadata if
declared
- add test

Conflicts:

src/gwc/src/test/java/org/geoserver/gwc/GWCIntegrationTest.java

NOTE: *This applied cleanly to master when cherry-picked*