Created repository and service interface for article and user
Merge branch 'html' into db

Conflicts:
	src/main/java/blog/domain/Article.java
begin to link the article post form with controller and entity and etc
Injection conflict resolved
Resolve injection problem
Merge branch 'html' of https://github.com/benli0822/Blog into html
Created Article Service
category entity and repository
Creating user service
Merge branch 'db' of https://github.com/benli0822/Blog into db

Conflicts:
	src/main/java/blog/domain/Article.java
Created user service
solve injection problem with category, need to check with article and category in repository level
MAJ Layout Page
Merge branch 'html' of https://github.com/benli0822/Blog into html
Merge branch 'html'

Conflicts:
	src/main/java/blog/service/ArticleServiceImpl.java
Add thymeleaf reference
Merge branch 'master' of https://github.com/benli0822/Blog