Various spelling and grammar fixes
-rw-r--r-- 32 .gitignore
-rw-r--r-- 170 _config.yml
drwxr-xr-x - _data
drwxr-xr-x - _includes
drwxr-xr-x - _layouts
drwxr-xr-x - _posts
drwxr-xr-x - _utils
-rw-r--r-- 3287 avancement.php
drwxr-xr-x - css
drwxr-xr-x - fonts
drwxr-xr-x - images
-rw-r--r-- 15512 index.html
drwxr-xr-x - js
-rw-r--r-- 17187 license.txt
-rw-r--r-- 655 pages.html