Update documentation.md
Merge pull request #13 from capz/patch-5

Update documentation.md
Update documentation.md

Documented the available buttons in addition to the functions
added notes about building source code and subfolder

i figured this out after a few hours of WTF-ing..
Merge pull request #14 from capz/patch-7

Update documentation.md
Merge pull request #12 from MrJPGames/gh-pages

NetLoader tutorial
Merge pull request #15 from capz/patch-8

added notes about building source code and subfolder
Merge pull request #3 from xem/gh-pages

Merge origin to fork