Update README.md
change tile pos from 0-based to 1-based
Merge branch 'master' of https://github.com/6thfdwp/2048-backbone
refactor move and merge slide effect
page style
remove addTiles in game-view
Create gh-pages branch via GitHub
Merge branch 'gh-pages' of https://github.com/6thfdwp/2048-backbone into gh-pages