Add GoogleAnalytics event tracking

src/client/site/craft_page/craft_page_controller.coffee

@@ -59,6 +59,7 @@ module.exports = class CraftPageController extends PageController
             $el = $el.parent()
 
         if inventoryText?
+            tracker.trackEvent c.tracking.category.craft, 'add-sample', inventoryText
             sampleInventory = new SimpleInventory
             sampleInventory.parse inventoryText
             @model.craftsman.want.addInventory sampleInventory
@@ -91,6 +92,7 @@ module.exports = class CraftPageController extends PageController
             modPack:         @_modPack
             model:           @model.craftsman.want
             router:          @_router
+            trackingContext: c.tracking.category.craftWant
         @_wantInventoryController.on c.event.button.first, (c, s)=> @onRemoveFromWant(s)
         @_wantInventoryController.on c.event.change, (c)=> @onWantInventoryChanged()
 
@@ -100,6 +102,7 @@ module.exports = class CraftPageController extends PageController
             modPack:         @_modPack
             model:           @model.craftsman.have
             router:          @_router
+            trackingContext: c.tracking.category.craftHave
         @_haveInventoryController.on c.event.button.first, (controller, itemSlug)=>
             @onRemoveFromHaveInventory itemSlug
 
@@ -110,6 +113,7 @@ module.exports = class CraftPageController extends PageController
             modPack:         @_modPack
             model:           null
             router:          @_router
+            trackingContext: c.tracking.category.craftNeed
         @_needInventoryController.on c.event.button.first, (c, s)=> @onMoveNeedToHave(s)
 
         @_workingSectionController = @addChild CraftsmanWorkingController, '.view__craftsman_working',

src/client/site/craft_page/craftsman_working/craftsman_working_controller.coffee

@@ -24,6 +24,7 @@ module.exports = class CraftsmanWorkingController extends BaseController
     # Event Methods ################################################################################
 
     onButtonClicked: ->
+        tracker.trackEvent c.tracking.category.craft, 'start'
         @trigger c.event.click
         @model.reset()
         @model.work()

src/client/site/craft_page/step/step_controller.coffee

@@ -41,8 +41,13 @@ module.exports = class StepController extends BaseController
 
     onCompleteButtonClicked: (event)->
         return if @$completeButton.hasClass 'disabled'
+        tracker.trackEvent c.tracking.category.craft, 'mark-complete', null, @model.number
         @onComplete this
 
+    onShowToolPlan: (event)->
+        tracker.trackEvent c.tracking.category.navigate, 'show-tool-plan', @$toolButton.attr 'target'
+        return true
+
     # BaseController Overrides #####################################################################
 
     onDidRender: ->
@@ -90,6 +95,7 @@ module.exports = class StepController extends BaseController
     events: ->
         return _.extend super,
             'click .button.complete': 'onCompleteButtonClicked'
+            'click a.button.tool':     'onShowToolPlan'
 
     # Private Methods ##############################################################################