Fixed reset-db to use PASSWORD for pw if set

Signed-off-by: James Ketrenos <james_git@ketrenos.com>

reset-db.sh

@@ -1,8 +1,8 @@
 #!/bin/bash
 U='photos'
-P='p4$$w0rd'
+P=${PASSWORD:p4$$w0rd}
 D='photos'
-mysql -u root --password=${PASSWORD} << EOF
+mysql -u root --password=${P} << EOF
 DROP DATABASE IF EXISTS ${D};
 CREATE DATABASE ${D} CHARACTER SET utf8 COLLATE utf8_general_ci;
 GRANT ALL PRIVILEGES ON ${D}.* TO '${U}'@'localhost' IDENTIFIED BY '${P}';