Update internal deprecated uses of getHeaders to getResponseHeaders.
Fix order of deprecation arguments in S.getHeader and S.getHeaders.
Updated to Lift 2.5-RC1

Also updated jetty dependency, logback, sbt and web plugin
made text friendlier to everyone, not just men

Thanks @aaronblohowiak for bringing this up
Merge branch 'master' into nafg/locparam_valuesnippets