Add tips link.
Add tips layout.
Add tips list page.
Add if_python tips.
Add tips link.

Add tips layout.

Add tips list page.

Add if_python tips.
Merge branch 'feature_tips' of github.com:heavenshell/vim-jp.github.com into feature_tips
Merge pull request #62 from heavenshell/feature_tips

vim-jp に tips というコンテンツを追加