History, step 1

 - created App Module and History Component
History, step 2

 - create Model Collection an Views
History, step 3

 - component listens environment and update collection
 - added templates for views
 - collection can be cleaned
History, step 4

 - resort collection on visited change
 - add js translations
History, step 5

 - added visited label
History, step 6

 - clear history button is hidden when history list is empty
 - added styles tracking for tracking process