Merge pull request #18 from hellsingblack/gh-pages

Create website documentation for tetra js
Merge pull request #19 from hellsingblack/gh-pages

Improve UI
Some grammatical corrections
Some grammatical corrections and rewording
Some grammatical corrections and rewording
Some grammatical corrections and rewording
Some grammatical corrections and rewording
Grammar and spelling fixes, some rewording for ambiguous sentences
Removing ununsed folders
modifiy text