version2
add master keyword
Merge branch 'master' into version2

Conflicts:
	custom-grid.html
index added to gh-pages
custom grid file deleted
margin bug fix
fix system added
add cool
delet cool
UI update, Redeme added.
Update Readme
update, pseudo selector for all class has substring "col-"
Create gh-pages branch via GitHub
update gh-page loading isseue
Merge branch 'master' of https://github.com/gauravchl/grid-customizer.git

Conflicts:
	js/main.js
delete master branch content