Initial commit of PHP role

- Added packages needed to run Wordpress on main ONF website

Change-Id: Id810213e5cd3696310780a4b6799b471501d2184
diff --git a/files/ubuntu_ondrej_php_ppa.key b/files/ubuntu_ondrej_php_ppa.key
new file mode 100644
index 0000000..c30335a
--- /dev/null
+++ b/files/ubuntu_ondrej_php_ppa.key
@@ -0,0 +1,12 @@
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