misc jekyll 설정변경

테이블관련 마크다운 작성이 필요하여 redcarpet에 테이블 기능 활성화
misc gitignore 파일 추가

멕용 .DS_Store 파일 무시하도록 추가.
feature angularjs  튜토리얼 추가.

모듈을 이용하여 어플리케이션 구성 튜토리얼 추가.
Merge pull request #56 from jeado/angular-tutorial

Angular tutorial 추가