renames & refactors annotations.js into annotable.js

app/assets/javascripts/annotable.js.coffee

@@ -0,0 +1,20 @@
+App.Annotable =
+  initialize: ->
+    $("[data-annotable-type]").each ->
+      $this       = $(this)
+      ann_type    = $this.data("annotable-type")
+      ann_id      = $this.data("annotable-id")
+      ann_user_id = $this.data("annotable-user-id")
+
+      app = new annotator.App()
+        .include(annotator.ui.main, { element: this })
+        .include(annotator.storage.http, { prefix: "", urls: { search: "/annotations/search" } })
+        .include ->
+          beforeannotationCreated: (ann) ->
+            ann[ann_type + "_id"] = ann_id
+            ann.user_id           = ann_user_id
+
+      app.start().then ->
+        options = {}
+        options[ann_type + "_id"] = ann_id
+        app.annotations.load(options)