Updated gitignore
* Added bower_components
Added Summernote Server
* `node server`
* 편리한 테스트를 위해 간단한 서버를 만듬.
Merge pull request #192 from e2goon/gitignore

Updated gitignore
Merge pull request #194 from e2goon/server

Server
Modified Gruntfile.js
* 기존 서버 실행방식 버리고, grunt task 활용.
Merge pull request #197 from e2goon/server

Modified Gruntfile.js
Fixed #197.
Add open options on connect.
Update grunt options and example/index.html.
Trivial update.
 - returns context when summernote, code({String}), destroy (#196)
 - Fixed duplicate create layout bug
 - remove protocol of dailymotion's regex
Refactoring
 - extract key object from EventHandler
 - rename `readFile` to `readFileAsDataURL`
Update README.md
Update README.md
[trivial] Update comments.
restructure unit test.
Refactoring
 - extract settings.js from summernote.js
 - reuse editor.data('options').
 - move init History code to EventHandler.
Refactoring: extract `buildLayoutInfo` method.
Spanish Translation
Merge pull request #201 from martinbertinat/master

Spanish Translation
Trivial thing.
 - rename: disable -> deactivate, enable -> activate
 - use $.toggleClass
 - comments