Sync gh-pages
 # On branch gh-pages
# Changes not staged for commit:
#   (use "git add <file>..." to update what will be committed)
#   (use "git checkout -- <file>..." to discard changes in working directory)
#
#	modified:   2-views/index.html
#	modified:   3-controllers/index.html
#	modified:   5-tables/index.html
#	modified:   6-animations/index.html
#	modified:   sitemap.xml
#
no changes added to commit (use "git add" and/or "git commit -a")