explicitly passing maxclients to applicationserver::config::apache

currently every box has the default, this will get the apis up to
their intended 100, and imagescalers down to their intended 18

will require a graceful of all apaches in 30 minutes

Change-Id: Id80aabfe1249ab57730f8d5f8429ce1b37671468
Merge "explicitly passing maxclients to applicationserver::config::apache" into production