Added slides for install, first page test.
Added slides for install, first page test.

pamcez/gdi-intro-php-mysql,Roenok/gdi-intro-php-mysql,ellotheth/gdi-intro-php-mysql,ellotheth/gdi-intro-php-mysql,Roenok/gdi-intro-php-mysql,jessappeldoorn/gdi-intro-php-mysql,jessappeldoorn/gdi-intro-php-mysql,girldevelopit/gdi-intro-php-mysql,girldevelopit/gdi-intro-php-mysql,pamcez/gdi-intro-php-mysql