Created Added Services Button scaffolding
Created the added services button template and made it render to the charmbrowser by default
Added the 'as' flag to be used to show the Added Services button in the charmbrowser
Created styling for widget to match mockup
Set up click event handlers to fire change state event
Created and updated tests for the new added services button view
Added fix for spurious test failures with ecs
Merge pull request #607 from hatched/added-services-widget

Created added services view button

In order to switch to the added services view from the charmbrowser you need a button. This is such a button.
Highlight, unhighlight, fade, and show services through events.
Merge branch 'develop' into hide-service