Merge pull request #13 from icanzilb/master

Fixed an issue where section style won't be applied
Refactor pull request #13
Automatically register XIBs if it exists for the matching cell name
Add comment
Simplify XIB loading API
XIB identifier fixes
Update readme
Add comments
Update readme
Typo fix
Fix UITextView placeholder alignment
Version bump (1.1.3)
Add REValidation
Deselect previously selected item in RETableViewOptionsController, fix #14
Add global items validation
Merge branch 'master' of github.com:romaonthego/RETableViewManager
Add validations example
Update example project
Update readme
Fix typo