Fixed: Font folder case fix (#2066)

src/UI/Content/font.less

@@ -2,50 +2,50 @@
     font-family: 'Open Sans';
     font-style: normal;
     font-weight: 300;
-    src: url('./fonts/opensans-light.eot');
+    src: url('./Fonts/opensans-light.eot');
     src: local('Open Sans Light'),
          local('OpenSans-Light'),
-         url('./fonts/opensans-light.eot?#iefix') format('embedded-opentype'),
-         url('./fonts/opensans-light.woff2') format('woff2'),
-         url('./fonts/opensans-light.woff') format('woff'),
-         url('./fonts/opensans-light.ttf') format('truetype');
+         url('./Fonts/opensans-light.eot?#iefix') format('embedded-opentype'),
+         url('./Fonts/opensans-light.woff2') format('woff2'),
+         url('./Fonts/opensans-light.woff') format('woff'),
+         url('./Fonts/opensans-light.ttf') format('truetype');
 }
 
 @font-face {
     font-family: 'Open Sans';
     font-style: normal;
     font-weight: 400;
-    src: url('./fonts/opensans-regular.eot');
+    src: url('./Fonts/opensans-regular.eot');
     src: local('Open Sans'),
          local('OpenSans'),
-         url('./fonts/opensans-regular.eot?#iefix') format('embedded-opentype'),
-         url('./fonts/opensans-regular.woff2') format('woff2'),
-         url('./fonts/opensans-regular.woff') format('woff'),
-         url('./fonts/opensans-regular.ttf') format('truetype')
+         url('./Fonts/opensans-regular.eot?#iefix') format('embedded-opentype'),
+         url('./Fonts/opensans-regular.woff2') format('woff2'),
+         url('./Fonts/opensans-regular.woff') format('woff'),
+         url('./Fonts/opensans-regular.ttf') format('truetype');
 }
 
 @font-face {
     font-family: 'Open Sans';
     font-style: normal;
     font-weight: 600;
-    src: url('./fonts/opensans-semibold.eot');
+    src: url('./Fonts/opensans-semibold.eot');
     src: local('Open Sans SemiBold'),
          local('OpenSans-SemiBold'),
-         url('./fonts/opensans-semibold.eot?#iefix') format('embedded-opentype'),
-         url('./fonts/opensans-semibold.woff2') format('woff2'),
-         url('./fonts/opensans-semibold.woff') format('woff'),
-         url('./fonts/opensans-semibold.ttf') format('truetype')
+         url('./Fonts/opensans-semibold.eot?#iefix') format('embedded-opentype'),
+         url('./Fonts/opensans-semibold.woff2') format('woff2'),
+         url('./Fonts/opensans-semibold.woff') format('woff'),
+         url('./Fonts/opensans-semibold.ttf') format('truetype');
 }
 
 @font-face {
     font-family: 'Ubuntu Mono';
     font-style: normal;
     font-weight: 400;
-    src: url('./fonts/ubuntumono-regular.eot');
+    src: url('./Fonts/ubuntumono-regular.eot');
     src: local('Ubuntu Mono'),
          local('Ubuntu-Mono'),
-         url('./fonts/ubuntumono-regular.eot?#iefix') format('embedded-opentype'),
-         url('./fonts/ubuntumono-regular.woff2') format('woff'),
-         url('./fonts/ubuntumono-regular.woff') format('woff'),
-         url('./fonts/ubuntumono-regular.ttf') format('truetype')
+         url('./Fonts/ubuntumono-regular.eot?#iefix') format('embedded-opentype'),
+         url('./Fonts/ubuntumono-regular.woff2') format('woff2'),
+         url('./Fonts/ubuntumono-regular.woff') format('woff'),
+         url('./Fonts/ubuntumono-regular.ttf') format('truetype');
 }