Added page with categories list as entry point.
Offline journals v1 :)
Transitions
New: add journal
Fixed newly created journals without uid in local storage
Added appcache
Fixed: use given uri
Disabled cache for development, category added when create journal from category list
Improvements
Merge branch 'F_add_categories_list' into develop

Conflicts:
	js/helper.js
	js/journallist.js
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