Rebasing against current develop (#77)

* Fix "Using $this when not in object context" error in StringUtilities.php (NOJIRA) (#67)

* Addition of Person Overview/Canvas. Commit also includes reworking of subnavigation for a Person view, VueJS starter components, updates for AJAX API access, and a minor fix to textarea rendering. (CFM-205)

* Revert changes to edit() and view() function signatures. (CFM-205)

* Post rebase cleanup; pass flash messages to subnavigation

* Output all available mvea text in Vue.js components (CFM-205)

* Allow User with Session to by pass basic auth when making ajax requests (#69)

* Rebasing against develop (#71)

* Fix "Using $this when not in object context" error in StringUtilities.php (NOJIRA) (#67)

* Addition of Person Overview/Canvas. Commit also includes reworking of subnavigation for a Person view, VueJS starter components, updates for AJAX API access, and a minor fix to textarea rendering. (CFM-205)

* Revert changes to edit() and view() function signatures. (CFM-205)

* Post rebase cleanup; pass flash messages to subnavigation

* Output all available mvea text in Vue.js components (CFM-205)

* Allow User with Session to by pass basic auth when making ajax requests (#69)

* CO-205_Create_langauge_labels_via_javascript_for_items_with_a_lang_string_definition (#72)

* Create language labels using standard BC-47 abbreviation codes
* Move language label after type

* Fetch MVEA types as part of the REST API responses

* Request extended REST API data

* Construct names in Vue.js component (display, rtl, ltr); hide comment out non-javascript approach on Person canvas. (CFM-205) (#75)

* Initial implementation for loading animation and skeleton placeholders for components on Person canvas. (CFM-205) (#76)