PLA-415 -- add caching flag to wikia response
PLA-415 add warning that cache being improperly set for special page in logs
PLA-415 add method to set varnish cache timeout using squid max age per workaround identified with @owend and @wyvek
PLA-415 add varnish caching to search results
PLA-415 fix missing semicolon
PLA-415 change log signature per @owend
Merge pull request #1136 from Wikia/PLA-415

PLA-415 -- add varnish caching to search results pages