effective_cache size was set to a fraction on hubs with more than 64GB memory, causing failure to start postgresql. Redmine #6548

(cherry picked from commit e76801ab0a386be1542946eab1c412d6f0f09191)
upgrade php to 5.4.32
(cherry picked from commit a5c933192e289fe7a1c2e286f3dcecbb7188361d)
replacing autobuild declaration inside the scripts to build scripts  for dependency packaging which is now the new repository for hosting build scripts
(cherry picked from commit db9b31757a2c828ee77db34724ae04f6c0478373)