Created a home page

Created home_page.html
created home_page.js
updated index.html, home page section
updated app.js, added HomePageView
added string tokens to translation.go
fixed the translation issue, other cleanup
Added a "learn how to play button", a css class, and load the game locally

Added "learn how to play" in translations.go
Put the game listing render call into home_page.js
Added the "jqmText" class to common.css, to be used for incorporating
plain text into the app. (just centering it for now)
Put some welcome text into home_page.html,
Added said welcome text into translations.go as well.
Added "Diplicity Welcome" token

added a token to translation.go
updated the new user button

home_page.html, pointed create account button to the Google account
creation screen.
translation.go, changed the "create a diplicity account" token to
"create a google account"
fixed the $('.homePageGames') call

fix is in home_page.js
Merge pull request #8 from cmconnor/master

Merged the separate home page layout from cmconnor.