Merge pull request #22 from egisatoshi/develop

LeoFS installation -> LeoFS Installation
Optimize the template
Optimize the template
Optimize the template
Modify the theme
Modify the theme
Fix wrong url
Modify content-padding
Little bit modify the template
Brush up the contents of s3-client
Brush up getting-started and installation
Modify the title of installation of leofs
Modify the configuration page
Modify the admin-guide page
Update copyright
Rename the faq-page
Optimize the template
Modify the faq-page
Replace the milestone diagram
Optimize the contents