updating the read me so that the demo change log is more accurate
renaming the core plugin file to match the name of the plugin
adding plugin-boilerplate.pot file

Related #38
removing the .po file since the .pot catalog can be read by POEdit
removing all terminating comment blocks

related #38
removing redundant access tags

related #35
adding braces around the conditional in `uninstall.php`
changing the access modifiers to `protected` from `private`

Related #36