fix(sharing): Landing page tweaks

common/locales/en/front.json

@@ -180,9 +180,10 @@
     "merchandiseInquiries": "Merchandise Inquiries",
     "marketingInquiries": "Marketing/Social Media Inquiries",
     "tweet": "Tweet",
-    "imagine1": "Imagine if improving your life was as fun as playing a game.",
+    "imagine1": "Imagine if improving your life were as fun as playing a game.",
     "landingCopy1": "Advance in the game by completing your real-life tasks.",
     "landingCopy2": "Battle monsters with friends to stay accountable to your goals.",
     "landingCopy3": "Join over 850,000 people having fun as they improve their lives.",
-    "alreadyHaveAccount": "I already have an account!"
+    "alreadyHaveAccount": "I already have an account!",
+    "getStartedNow": "Get Started Now!"
 }

common/locales/en/settings.json

@@ -86,7 +86,6 @@
     "emailChange1": "To change your email address, please send an email to",
     "emailChange2": "admin@habitica.com",
     "emailChange3": " including both your old and new email address as well as your User ID.",
-    "username": "Login Name",
     "usernameOrEmail": "Login Name or Email",
     "email": "Email",
     "registeredWithFb": "Registered with Facebook",