Merge pull request #1 from teddysun/develop

2.9.2 merge
Merge pull request #2 from teddysun/develop

Add GraphicsMagick
Merge pull request #3 from teddysun/develop

2.9.3 Merge
Merge pull request #4 from teddysun/develop

Update Readme
Merge pull request #5 from teddysun/develop

Add ocp
Update opcache.sh
Fix clean up
Optimize probe(add Zend OPcache, delete APC)