Merge pull request #1290 from jayant1992/master

Takes care of minor issues with terrain generator

app/templates/modal/terrain_randomise.jade

@@ -12,3 +12,4 @@ block modal-body-content
           div.preset-name
             span(data-i18n="ladder.grassy") Grassy
     //- for model in models
+block modal-footer

app/views/editor/level/thangs_tab_view.coffee

@@ -228,6 +228,7 @@ module.exports = class ThangsTabView extends View
     for thang in e.thangs
       @selectAddThangType thang.id
       @addThang @addThangType, thang.pos
+    @selectAddThangType null
 
   # TODO: figure out a good way to have all Surface clicks and Treema clicks just proxy in one direction, so we can maintain only one way of handling selection and deletion
   onExtantThangSelected: (e) ->

app/views/modal/terrain_randomise_modal.coffee

@@ -91,6 +91,7 @@ module.exports = class TerrainRandomiseModal extends ModalView
     Backbone.Mediator.publish('randomise:terrain-generated', 
       'thangs': @thangs
     )
+    @hide()
 
   randomiseThangs: (presetName, presetSize) ->
     preset = presets[presetName]