[PATCH] fix timeout in mod_ssl's trace2 log output

timeout is nowadays a duration, not an absolute value. Fix the trace2 output to print it as such, instead of subtracting time(NULL) and resulting in lines such as: [Mon Aug 05 03:51:07.369625 2013] [ssl:trace2] [pid 7916:tid 140003006699264] ssl_engine_kernel.c(1698): Inter-Process Session

[PATCH] mod_socache_memcache: don't ignore expiry

The memcache socache backend currently completely ignores the expiry value, presumably due to historical limitations of aprutil that don't apply anymore. The current behavior is to always send 0 as the expiry value, which in the memcached protocol translates as never. This could have security