Add mysql schemes and add test admin user for sqlite

dist/pvv_mysql.sql

@@ -0,0 +1,23 @@
+CREATE TABLE events (
+`id` INTEGER PRIMARY KEY AUTO_INCREMENT,
+`name` TEXT,
+`start` TEXT,
+`stop` TEXT,
+`organiser` TEXT,
+`location` TEXT,
+`description` TEXT
+);
+
+CREATE TABLE projects ( 
+`id` INTEGER PRIMARY KEY AUTO_INCREMENT,
+`name` TEXT,
+`owner` TEXT,
+`owneruname` TEXT,
+`description` TEXT,
+`active` BOOLEAN
+);
+
+CREATE TABLE users (
+`uname` TEXT,
+`groups` INT DEFAULT 0
+);