* add SelectDropdown
* use SelectDropdown instead of HttpRequestsDropdown
* use html selector instead of class name
* ensure SelectDropdown still works when rendered inside a Toolbar
* add tests
* remove old HttpRequests component
* make SelectDropdown example easier to read in Storybook
* add isFullwidth prop
* add SelectDropbown inside a Toolbar story
* fix tests
* remove actions block and call this.onChange directly
* replace dropdownLabel with label
* rename SelectDropdown to SelecT
* add test for onChange
* remove selectedItem prop since we don't need it
* make Select accept options as an array of strings or objects
* Revert "remove selectedItem prop since we don't need it"
This reverts commit 7278516de87bb1df60482edb005137252819931e.
* use Select inside TtlPicker
* remove debugger
* use a test selector
* fix pki test selectors
* improve storybook docs
* fix selected value in ttl picker
* ensure httprequests dropdown updates the selected item
* ensure select dropdown correctly matches selectedItem
* rename selectedItem to selectedValue
* remove debugger lol
* update selectedItem test
* add valueAttribute and labelAttribute to Storybook knobs
* udpate jsdocs
* remove old httprequestsdropdown component
* add note that onChange will receive value of select
* use Select inside AuthForm
* use correct test selector
* add ember-concurrency-test-waiter
* use withTestWaiter modifier in various parts of the application
* more withTestWaiter
* await instead of return for a few helpers
* update ember-cli-flash
* run ember generate ember-cli-flash
* remove withFlash helper
* fix typo and replication tests
* remove expanding behavior from engines list and add a configuration route
* use page header component, secret tab component for the template on the secret engine configuration route
* move abstraction to secret-list-header and remove secret-tabs
* add attrs to secret engine model and adjust mount controller code to support that
* fix top level nav so that we can use the back button properly
* fix tests
