added widget implementation that represents a twitter bootstrap hero unit
Merge branch 'develop' into feature/hero-unit
creates the beginning of an interactive tutorial

+ add kickstart option --tutorial
+ improves start page design
Merge branch 'develop' into feature/hero-unit
changed the widget icon
updates tutorial
Merge branch 'develop' into feature/tutorial

* develop:
  bugfix: gem versions
slims down tutorial content
renames tutorial into examples

+ bugfix: social sharing generator did not insert the example
review

+ minor changes
Merge branch 'feature/hero-unit' into develop

* feature/hero-unit:
  review
  changed the widget icon
  added widget implementation that represents a twitter bootstrap hero unit
updates changelog
Merge branch 'develop' into feature/tutorial

* develop:
  review
  changed the widget icon
  added widget implementation that represents a twitter bootstrap hero unit

Conflicts:
	lib/infopark_kickstarter/rake/integration_task.rb
Merge branch 'feature/tutorial' into develop

* feature/tutorial:
  updates changelog
  renames tutorial into examples
  slims down tutorial content
  updates tutorial
  creates the beginning of an interactive tutorial