translated index page
Update user_guide_ja_src/source/tutorial/index.rst

fix link
translated static_pages
Update user_guide_ja_src/source/tutorial/static_pages.rst

fixed bold letter
translated news_section
Merge branch 'develop' of https://github.com/ashiina/ci-ja into develop
Update user_guide_ja_src/source/tutorial/news_section.rst

fixed link
Update user_guide_ja_src/source/tutorial/news_section.rst

fixed link and words
translated create_news_items
translated conclusion & fixed index
Merge pull request #9 from ashiina/develop

チュートリアル日本語訳