removed extra fonts.

src/UI/Content/font.less

@@ -2,34 +2,34 @@
     font-family: 'Open Sans';
     font-style: normal;
     font-weight: 300;
-    src: url('/Content/fonts/OpenSans-Light.eot');
+    src: url('/Content/fonts/opensans-light.eot');
     src: local('Open Sans Light'),
          local('OpenSans-Light'),
-         url('/Content/fonts/OpenSans-Light.eot?#iefix') format('embedded-opentype'),
+         url('/Content/fonts/opensans-light.eot?#iefix') format('embedded-opentype'),
-         url('/Content/fonts/OpenSans-Light.woff') format('woff'),
+         url('/Content/fonts/opensans-light.woff') format('woff'),
-         url('/Content/fonts/OpenSans-Light.ttf') format('truetype');
+         url('/Content/fonts/opensans-light.ttf') format('truetype');
 }
 
 @font-face {
     font-family: 'Open Sans';
     font-style: normal;
     font-weight: 400;
-    src: url('/Content/fonts/OpenSans-Regular.eot');
+    src: url('/Content/fonts/opensans-regular.eot');
     src: local('Open Sans'),
          local('OpenSans'),
-         url('/Content/fonts/OpenSans-Regular.eot?#iefix') format('embedded-opentype'),
+         url('/Content/fonts/opensans-regular.eot?#iefix') format('embedded-opentype'),
-         url('/Content/fonts/OpenSans-Regular.woff') format('woff'),
+         url('/Content/fonts/opensans-regular.woff') format('woff'),
-         url('/Content/fonts/OpenSans-Regular.ttf') format('truetype')
+         url('/Content/fonts/opensans-regular.ttf') format('truetype')
 }
 
 @font-face {
     font-family: 'Open Sans';
     font-style: normal;
     font-weight: 600;
-    src: url('/Content/fonts/OpenSans-SemiBold.eot');
+    src: url('/Content/fonts/opensans-semibold.eot');
     src: local('Open Sans SemiBold'),
          local('OpenSans-SemiBold'),
-         url('/Content/fonts/OpenSans-SemiBold.eot?#iefix') format('embedded-opentype'),
+         url('/Content/fonts/opensans-semibold.eot?#iefix') format('embedded-opentype'),
-         url('/Content/fonts/OpenSans-SemiBold.woff') format('woff'),
+         url('/Content/fonts/opensans-semibold.woff') format('woff'),
-         url('/Content/fonts/OpenSans-SemiBold.ttf') format('truetype')
+         url('/Content/fonts/opensans-semibold.ttf') format('truetype')
 }