Update readme.md
Update readme.md
closes #2. Added documentation how to use plugin, how to create edit setting pages and use stored values
Merge branch 'feature/#2' into develop
update config plugin to 2.x
fixing php54 warnings, cleanup stype and removing unused files
Merge pull request #5 from CakeDC/hotfix/php54-strict-fix

fixing php54 warnings, cleanup stype and removing unused files
merge with cakedc/develop