bugfix: mysql conf and session handling

lib/resources/mysql_conf.rb

@@ -31,8 +31,8 @@ class MysqlConf < Inspec.resource(1)
 
   include FindFiles
 
-  def initialize(conf_path)
-    @conf_path = conf_path
+  def initialize(conf_path = nil)
+    @conf_path = conf_path || inspec.mysql.conf_path
     @files_contents = {}
     @content = nil
     @params = nil

lib/resources/mysql_session.rb

@@ -7,7 +7,7 @@
 class MysqlSession < Inspec.resource(1)
   name 'mysql_session'
 
-  def initialize(user, pass)
+  def initialize(user = nil, pass = nil)
     @user = user
     @pass = pass
     init_fallback if user.nil? or pass.nil?