IE9 compat: css fixes

Linking to bless-brunch git for fixes that blocked bless from splitting
app.css into multiple files to address IE9 limits.

sass-brunch version update fixes problems during the css file-splitting
that were messing up nested @media queries.

app/locale/en.coffee

@@ -95,7 +95,7 @@
 
   home:
     slogan: "Learn to Code by Playing a Game"
-    no_ie: "CodeCombat does not run in Internet Explorer 9 or older. Sorry!"
+    no_ie: "CodeCombat does not run in Internet Explorer 8 or older. Sorry!"
     no_mobile: "CodeCombat wasn't designed for mobile devices and may not work!"
     play: "Play"  # The big play button that just starts playing a level
     old_browser: "Uh oh, your browser is too old to run CodeCombat. Sorry!"

app/templates/home.jade

@@ -4,8 +4,8 @@ block content
 
   h1#site-slogan(data-i18n="home.slogan") Learn to Code by Playing a Game
 
-  .alert.alert-danger.lt-ie10
-    strong(data-i18n="home.no_ie") CodeCombat does not run in Internet Explorer 9 or older. Sorry!
+  .alert.alert-danger.lt-ie9
+    strong(data-i18n="home.no_ie") CodeCombat does not run in Internet Explorer 8 or older. Sorry!
 
   if isMobile
     .alert.alert-danger.mobile

package.json

@@ -75,7 +75,7 @@
     "javascript-brunch": "> 1.0 < 1.8",
     "coffee-script-brunch": "https://github.com/brunch/coffee-script-brunch/tarball/master",
     "coffeelint-brunch": "> 1.0 < 1.8",
-    "sass-brunch": "1.7.0",
+    "sass-brunch": "1.8.3",
     "css-brunch": "> 1.0 < 1.8",
     "jade-brunch": "> 1.0 < 1.8",
     "uglify-js-brunch": "~1.7.4",
@@ -86,7 +86,7 @@
     "marked": "0.2.x",
     "telepath-brunch": "https://github.com/nwinter/telepath-brunch/tarball/master",
     "bower": "~1.3.8",
-    "bless-brunch": "~1.6.1",
+    "bless-brunch": "https://github.com/ThomasConner/bless-brunch/tarball/master",
     "karma-script-launcher": "~0.1.0",
     "karma-chrome-launcher": "~0.1.2",
     "karma-firefox-launcher": "~0.1.3",