Compact HashTables before storing them in shared memory
Merge branch 'PHP-5.5'

* PHP-5.5:
  Compact HashTables before storing them in shared memory

Conflicts:
	ext/opcache/ZendAccelerator.c
Avoid multiple allocations of the same key in different processes
Merge branch 'PHP-5.5'

* PHP-5.5:
  Avoid multiple allocations of the same key in different processes
Fixed comments
Merge branch 'PHP-5.5'

* PHP-5.5:
  Fixed comments