bug fixes for  bugz 894170, handling node-proxy restart, typo in manifest and set phprc correctly on haproxy gear for scalable apps

Cleanup init script display + handle "whacked" pids on restarts (stop).
Fix typo in cart data type for environment variables.
Move PHPRC from app_ctl_pre.sh to app_ctl.sh - otherwise its not set/sourced in 
for apache (php appserver) running on the haproxy gear.
Fix bugz 894170 - Server timeout with add/remove of Metrics cartridge.