Adds ActivityRow type with working specs.
Adds documentation for :activity row.
Merge branch 'refs/heads/master' into activity-row

* refs/heads/master: (48 commits)
  Field buffer set to 20 points across all iOS7+ devices
  version++
  Use callback-based responses
  Added documentation about loading remote images.
  Update Rakefile
  Add motion-cocoapods
  Update w/ HTTP example
  Better error message
  Add test for changing a remotely loaded image to a local image on the fly.
  Add passing specs for remote image loading.
  Support AFNetworking or JMImageCache
  Add dummy specs.
  Add a demo remote image cell to the main app.
  Add cocoapods support to demo project.
  Allow setting and loading of remote images on all cell types.
  Move image setting to new builder method.
  account for how Form#render & display_key works w/ persistence. fixes #190
  Strip out whitespace on iOS7
  show spaces in iOS7. fixes #169
  add a subform to the Persistence example
  ...
Add missing require statement to activity_row.
Merge pull request #204 from matthewsinclair/master

Fix to map_row build_cell to return nil instead of value of swizzle which caused crash on becomeFirstResponder
Fix display_key to respect what gets rendered in the row's value field, if possible. Fixes #205
Merge branch 'master' of https://github.com/clayallsopp/formotion
Call BW::Device explicitly instead of Device

Removes the assumption that Device == BW::Device to prevent errors
if Device has already been defined.
Merge pull request #206 from DexterV/master

Call BW::Device explicitly instead of Device
Merge branch 'refs/heads/master' into activity-row

* refs/heads/master:
  Call BW::Device explicitly instead of Device
  Fix display_key to respect what gets rendered in the row's value field, if possible. Fixes #205
  Fix to map_row build_cell to return nil instead of value of swizzle which caused crash on becomeFirstResponder
  Added return of map_view in build_cell of map_row to stop crash when becomeFirstResponder is called
  fix specs
  again, travis.
  fix travis
  WebLinkRow was missing the require object_row statement. Causing some issues at runtime.
  >= motion-require 0.1.0
  Make bubblewrap dep >= 1.4.0 and motion-require ~> 0.1.0
Merge pull request #176 from markrickert/activity-row

Adds :activity row