Creating dir structure
Add doc dir
Create pscript dir
Change structure dir

	renamed:    php-deploy -> pscript/php-deploy
	renamed:    php-build.sh -> shscript/php-build.sh
	renamed:    php-dev-install-dep.sh -> shscript/php-dev-install-dep.sh
Modify the doc for php-build.sh
Add support for nginx in php-dev-install-dep