Add php configuration check.
Add commands, matchers. Modify type method name.
Revert match_md5checksum.rb
Add matchers entry.
Add spec files for php test. However, not passed test.
Update test codes. Then, passed test on CentOS 6.4.
Change test name. php to php_config.
Change test name. php to php_config.
Add test codes for Darwin, Debian, Gentoo and Solaris.
Change get config method from ini_get() to get_cfg_var().
Update method name at commands test.
Updated php_config test method. It refered to linux_kernel_parameter.
Updated php_config test codes.
Delete unused matchers.
Delete unused matchers.
Delete unused testcode.
Delete to_s method.
Merge remote-tracking branch 'pr/196/head'

Conflicts:
	lib/serverspec/helper/type.rb