* Chore/Tech debt: Remove (most) instances of $q angular service use
Removes instances where the angular $q service is used and replaces
it with native Promises.
* removed unsused grafana-icon classes, replaced grafana-icons with gicons
* replaced old dashboard and datasource icons with gicon, fixed so icons on plugin list are shown
* removed unsused grafana-icon classes, replaced grafana-icons with gicons
* replaced old dashboard and datasource icons with gicon, fixed so icons on plugin list are shown
* replaced fontawesome cog, eye, link and edit with gicons
* updated snapshot
* fixed color of cog in dashboard nav, removed icons from buttons, ran preitterier on some files
* changed opacity on getting started icons and fixed getting started button
* .5 -> 0.5 fix for prettier
* added new variables for height in theme, added height to gui button large, replaced add gicon with regular gicon, replaced + with gicon, changed button display to flex
* set fixed height to large button, removed xlarge button and replaced with large button
* removed button-mini and replaced with button-small, set fixed height to default button and button-small
* fixed padding for default and large button, fixed height for navbar button, fixed snapshots
* fixed padding and margin on navbar buttons
* gave special height to login btn-primary
* readded btn-mini class with same styling as btn-small and a deprecated notice
* fixed add panel widget buttons
* wip: began work off removing meta and pluginExports from DataSourceApi interface
* WIP: changing how plugins are exports and loaded
* Down the refactoring rabit hole that keeps expanding
* TestData now returns DataSourcePlugin
* Refactoring: fixed app config page loading, type renamings and more typings
* Refactor: Correct casing on DatasourceStatus => DataSourceStatus
