re-org themes folder

scss/framework-structure.scss

@@ -3,7 +3,7 @@
 
 // Components
 @import
-  "framework/structure/variables",
+  "framework/structure-variables",
   "framework/structure/mixins",
 
   "framework/structure/alerts",

scss/framework-theme-default.scss

@@ -3,12 +3,12 @@
 
 // Components
 @import
-  "framework/theme/default/variables",
-  "framework/theme/default/alerts",
-  "framework/theme/default/bar",
-  "framework/theme/default/tabs",
-  "framework/theme/default/button",
-  "framework/theme/default/icon",
-  "framework/theme/default/listview",
-  "framework/theme/default/pull-to-refresh",
-  "framework/theme/default/table";
+  "framework/theme-variables",
+  "framework/theme/alerts",
+  "framework/theme/bar",
+  "framework/theme/tabs",
+  "framework/theme/button",
+  "framework/theme/icon",
+  "framework/theme/listview",
+  "framework/theme/pull-to-refresh",
+  "framework/theme/table";