add sample .ini file

describe all configurable options with description from README
Fixed issue #82 (allow comments in blacklist file, lines started with ";")
Merge branch 'opcache' of ../php5.5

* 'opcache' of ../php5.5:
  Fixed issue #82 (allow comments in blacklist file, lines started with ";")
Fixed issue #26 (added opcache_invalidate(string $filename [, bool $force = false]) function)
Merge branch 'opcache' of ../php5.5

* 'opcache' of ../php5.5:
  Fixed issue #26 (added opcache_invalidate(string $filename [, bool $force = false]) function)
Fixed ZTS build
Merge branch 'opcache' of ../php5.5

* 'opcache' of ../php5.5:
  Fixed ZTS build
Merge branch 'sample-ini' of github.com:glensc/ZendOptimizerPlus

* 'sample-ini' of github.com:glensc/ZendOptimizerPlus:
  add sample .ini file
Fixed CFG construction bugs
Merge branch 'opcache' of ../php5.5

* 'opcache' of ../php5.5:
  Fixed CFG construction bugs