update readme.md, fix bug with angular-material version

Author: shoudaos

README.md

@@ -16,6 +16,10 @@ Clone project:
 Install dependencies:
 
     $ npm install
+
+Install gem 'sass'
+
+    $ gem install sass
 
 Run development web-server:
 

bower.json

@@ -11,7 +11,7 @@
     "angular-touch": "~1.3.4",
     "angular-sanitize": "~1.3.4",
     "angular-ui-router": "~0.2.13",
-    "angular-material": "~0.10.0",
+    "angular-material": "0.10.0",
     "angular": "1.3.15",
     "angular-nvd3": "1.0.0-rc.2"
   },