Manage package lifecycle in Atom instead of in RootView

src/app/atom-package.coffee

@@ -65,7 +65,7 @@ class AtomPackage extends Package
     if fs.isFile(mainPath)
       @packageMain = require(mainPath)
       config.setDefaults(@name, @packageMain.configDefaults)
-      rootView?.activatePackage(this)
+      atom.activateAtomPackage(this)
 
   loadMetadata: ->
     if metadataPath = fs.resolveExtension(fs.join(@path, 'package'), ['cson', 'json'])

src/app/root-view.coffee

@@ -68,7 +68,7 @@ class RootView extends View
   serialize: ->
     projectState: @project?.serialize()
     panesViewState: @panes.children().view()?.serialize()
-    packageStates: @serializePackages()
+    packageStates: atom.serializeAtomPackages()
 
   handleFocus: (e) ->
     if @getActiveEditor()
@@ -126,7 +126,7 @@ class RootView extends View
 
   deactivate: ->
     atom.setRootViewStateForPath(@project.getPath(), @serialize())
-    @deactivatePackages()
+    atom.deactivateAtomPackages()
     @remove()
 
   open: (path, options = {}) ->
@@ -261,12 +261,3 @@ class RootView extends View
 
   eachBuffer: (callback) ->
     @project.eachBuffer(callback)
-
-  activatePackage: (pack) ->
-    atom.activateAtomPackage(pack)
-
-  deactivatePackages: ->
-    atom.deactivateAtomPackages()
-
-  serializePackages:  ->
-    atom.serializeAtomPackages()