Restructure layout
Restructure layout. Remove the code to disable iPhone's safari bouncing effect
disable scrolling when the swipe happes inside board-container
restructure: define headerController, move timePassed to its scope
restructure: move bestTime to headerController' scope
restructure: move guide() and newGame() to headerController
restructure: define mainController and move code accordingly
restructure: move guide() to root scope to allow the button at the header
restructure: move the numbered tile, not the empty cell from now
restructure: update swipe behavior
update README.md
restructure: update how-to-play
Highlight 'reverse direction'
restructure: update style
restructure: add animation back
share-social: back to angular-sharesocial
share-social: refactor some code
share-social: fix bug with sharing on G+
game-logic: enable shuffling again
layout: move modal dialog more to the middle vertically