Add main_navbar to some views
Make request in each spec.
Add Tag cloud to 'edit' view
move #active_class to application_helper. add spec
Add 'focus' class to any Tags belonging to the current Note
Add @tag_ids argument to #active_class method
Remove #verify_tags method and specs

* It is interesting that this method is no longer needed.
  Originally, it was used to handle ActiveRecord exceptions
  when a tag id list was passed and a Tag not found for one
  of the ids in that list. However, since we are now querying
  based on Tag names instead of ids and since we are now
  using the #where method instead of #find, no exceptions
  are raised if a record is not found for one of the Tag
  names passed in the list.
Search for Notes via Tag NAME not Tag id
@current_tags should show Tag names, not IDs
Change @tag_ids to @tag_names
Update Note tags. Add new tags + and/remove existing tags
Feature spec -- Update Note Tags. Add new Tags or add/remove existing Tags
Use @tag_names variable
Merge branch 'dev2' into dev