[GitPages] Commited hello world
Hello world replace by existing gitpages version

Conflicts:
	index.html
[GitPages] Small changes in main page
[GitPages] Code tabs changes
[GitPages] Small style refactoring (buttons refactored)
[GitPages] Updated styles
[GitPages]
Added sketch for demos and docs pages;
Styles imroved a bit.
[GitPages] Styles cleaned up a bit
[GitPages] Temp commit
[GitPages] Added sketch for demo page
[GitPages] Changes in docs