Fix issue #297. On Ubuntu 11, we don't get ~ApacheProcessContext called between config check and actual startup, so we have to clear the statistics object manually.
Fix issue #297. On Ubuntu 11, we don't get ~ApacheProcessContext called
between config check and actual startup, so we have to clear the statistics
object manually.

Fix CHECK "var != NULL. Variable not found: serf_fetch_request_count" when
no factory has us enabled by default, but statistics are on and we are enabled
via vhosts or query param, by making sure to initialize statistics if they are on
even if MPS itself is off...

pagespeed/mod_pagespeed,wanrui/mod_pagespeed,hashashin/src,patricmutwiri/mod_pagespeed,ajayanandgit/mod_pagespeed,webhost/mod_pagespeed,ajayanandgit/mod_pagespeed,wanrui/mod_pagespeed,jalonsoa/mod_pagespeed,VersoBit/mod_pagespeed,webhost/mod_pagespeed,hashashin/src,VersoBit/mod_pagespeed,webscale-networks/mod_pagespeed,ajayanandgit/mod_pagespeed,jalonsoa/mod_pagespeed,VersoBit/mod_pagespeed,VersoBit/mod_pagespeed,ajayanandgit/mod_pagespeed,jalonsoa/mod_pagespeed,pagespeed/mod_pagespeed,pagespeed/mod_pagespeed,patricmutwiri/mod_pagespeed,patricmutwiri/mod_pagespeed,wanrui/mod_pagespeed,ajayanandgit/mod_pagespeed,patricmutwiri/mod_pagespeed,patricmutwiri/mod_pagespeed,wanrui/mod_pagespeed,hashashin/src,webhost/mod_pagespeed,webscale-networks/mod_pagespeed,patricmutwiri/mod_pagespeed,webhost/mod_pagespeed,pagespeed/mod_pagespeed,webhost/mod_pagespeed,webhost/mod_pagespeed,webscale-networks/mod_pagespeed,patricmutwiri/mod_pagespeed,hashashin/src,wanrui/mod_pagespeed,jalonsoa/mod_pagespeed,webscale-networks/mod_pagespeed,pagespeed/mod_pagespeed,hashashin/src,webscale-networks/mod_pagespeed,hashashin/src,VersoBit/mod_pagespeed,VersoBit/mod_pagespeed,hashashin/src,VersoBit/mod_pagespeed,jalonsoa/mod_pagespeed,webhost/mod_pagespeed,pagespeed/mod_pagespeed,webscale-networks/mod_pagespeed,ajayanandgit/mod_pagespeed,jalonsoa/mod_pagespeed,wanrui/mod_pagespeed,hashashin/src,jalonsoa/mod_pagespeed,webscale-networks/mod_pagespeed,wanrui/mod_pagespeed,webhost/mod_pagespeed,wanrui/mod_pagespeed,patricmutwiri/mod_pagespeed,jalonsoa/mod_pagespeed,ajayanandgit/mod_pagespeed,ajayanandgit/mod_pagespeed,webscale-networks/mod_pagespeed,pagespeed/mod_pagespeed