Upgrade to emissary 0.31.0 for implicit 'value' subscriptions on signals

Previously, when you always had to specify the event name of 'value'
when calling `::subscribe` with a signal. Now, if you don't specify an
event name, 'value' is assumed.

package.json

@@ -23,7 +23,7 @@
     "clear-cut": "0.2.0",
     "coffee-script": "1.6.3",
     "coffeestack": "0.6.0",
-    "emissary": "0.19.0",
+    "emissary": "0.31.0",
     "first-mate": "0.14.0",
     "fs-plus": "0.14.0",
     "fstream": "0.1.24",

src/display-buffer.coffee

@@ -35,7 +35,7 @@ class DisplayBuffer extends Model
     @subscribe @buffer, 'markers-updated', @handleBufferMarkersUpdated
     @subscribe @buffer, 'marker-created', @handleBufferMarkerCreated
 
-    @subscribe @$softWrap, 'value', (softWrap) =>
+    @subscribe @$softWrap, (softWrap) =>
       @emit 'soft-wrap-changed', softWrap
       @updateWrappedScreenLines()
 

src/editor.coffee

@@ -73,8 +73,8 @@ class Editor extends Model
 
     @languageMode = new LanguageMode(this, @buffer.getExtension())
 
-    @subscribe @$scrollTop, 'value', (scrollTop) => @emit 'scroll-top-changed', scrollTop
-    @subscribe @$scrollLeft, 'value', (scrollLeft) => @emit 'scroll-left-changed', scrollLeft
+    @subscribe @$scrollTop, (scrollTop) => @emit 'scroll-top-changed', scrollTop
+    @subscribe @$scrollLeft, (scrollLeft) => @emit 'scroll-left-changed', scrollLeft
 
     atom.project.addEditor(this) if registerEditor
 

src/pane-container.coffee

@@ -21,8 +21,8 @@ class PaneContainer extends View
     else
       @model = new PaneContainerModel({root: params?.root?.model})
 
-    @subscribe @model.$root, 'value', @onRootChanged
-    @subscribe @model.$activePaneItem.changes, 'value', @onActivePaneItemChanged
+    @subscribe @model.$root, @onRootChanged
+    @subscribe @model.$activePaneItem.changes, @onActivePaneItemChanged
 
   viewForModel: (model) ->
     if model?

src/pane.coffee

@@ -50,13 +50,13 @@ class Pane extends View
   handleEvents: ->
     @subscribe @model, 'destroyed', => @remove()
 
-    @subscribe @model.$activeItem, 'value', @onActiveItemChanged
+    @subscribe @model.$activeItem, @onActiveItemChanged
     @subscribe @model, 'item-added', @onItemAdded
     @subscribe @model, 'item-removed', @onItemRemoved
     @subscribe @model, 'item-moved', @onItemMoved
     @subscribe @model, 'before-item-destroyed', @onBeforeItemDestroyed
     @subscribe @model, 'item-destroyed', @onItemDestroyed
-    @subscribe @model.$active, 'value', @onActiveStatusChanged
+    @subscribe @model.$active, @onActiveStatusChanged
 
     @subscribe this, 'focusin', => @model.focus()
     @subscribe this, 'focusout', => @model.blur()

src/tokenized-buffer.coffee

@@ -35,7 +35,7 @@ class TokenizedBuffer extends Model
     @subscribe @buffer, "changed", (e) => @handleBufferChange(e)
     @subscribe @buffer, "path-changed", => @bufferPath = @buffer.getPath()
 
-    @subscribe @$tabLength.changes.onValue (tabLength) =>
+    @subscribe @$tabLength.changes, (tabLength) =>
       lastRow = @buffer.getLastRow()
       @tokenizedLines = @buildPlaceholderTokenizedLinesForRows(0, lastRow)
       @invalidateRow(0)