Remove legacy code from Admin menu init
Default Theme: Enable user-controlled zooming and scrolling of viewer

JS
* Remove: `user-scalable` and `maximum-scale` attributes in viewport meta tag
* Update: Display overlay on small screens
* Optimize: Tall viewer display

CSS
* Update: Switch CSS to production output
* Remove: Fixed viewer positioning for small screens
Merge branch 'fix_viewport_locked' into develop
Define component files by URI (instead of relative path)

* Update: File URI is stored in `uri` property (previously `path`)
* Update: Documentation reflects URI requirement
* Remove: `path` format option in `get_file()`
Update default components to use file URIs

* Update: Content Handlers
* Update: Template Tags
* Update: Themes
* Resolves #9
Merge branch 'component_file_uri' into develop
Implement Sass for Admin CSS
Fix Component prototype leak

* Prototype properties defined as objects are shared across all instances
* Update: Events and Status properties are initialized as `null` so that instance properties are independent of other instances (Closes #6)
* Update: Component status is initialized upon first use
* Fix: Conditional check in `Component.get_status()`
* Fix: Use local variable to represent `this` in callbacks
Merge branch 'opt_group_nav' into develop
Audit label text for i18n
Merge branch 'audit_labels' into develop
RC1: Update Readme

* Close: #6
* Close: #8
* Close: #9
Update readme changelog

* For WP admin dashboard update notes
Fix admin messages declaration (functions not allowed in class properties)
Prepare release (2.0RC1)

* Update: Version
* Remove: Debug code
Merge branch 'release-2.0RC1'