Simplify the install instructions
Fixed compilation, when compiling right into PHP (Ilia Alshanetsky)
Fixed build in a separate directory (Ilia Alshanetsky)
Ability to disable O+ per process (or process pool)
remove useless configure option
coding style improve
op_array->brk_count_array has to be kept even if op_array doesn't have BRK/CONT/GOTO opcodes.
It might be used to unlock "loop" or "switch" variable in case of exception.
Merge branch 'master' of https://github.com/laruence/ZendOptimizerPlus

Conflicts:
	Optimizer/block_pass.c
Fixed function prototypes
Execute shared memory initialization/deinitialization under exclusive lock
Fixed memory leaks (avoid generation of unused results)
Emit the same error messages as without O+ (use "dups_fix" hack only for classes)
Fixed build instruction
Fixed typo
Added missing calloc() result checks
Correction
Make the functions validate input parameters (or lack thereof)
return false to be consistent
Fixed typo
adding the package.xml for pecl