418 create an index.js file for importing shared components (#427)

* Update .eslintrc.js

* Create index.js

* Change Button usage in GridItem

* Replace imports

* Add strings

* Add hint prop to button

* Add a11y hint prop to EvidenceButton

* Add EvidenceButton to index

* Add a11y props to EvidenceButton

* Update UiLibrary.js

* Add a11y props to CloseButton

* Add CloseButton to index and UiLib

* Rename function

* Update string

* Add a11y props to AddObsButton

* Add Tabs to index

* Linebreak

* Add Typography to index

* Remove unused text

* Refactor UserIcon test coverage in it's own test

* Add UserIcon to index

* Add UserIcon to UiLib

* Add InlineUser to index

* Add Quality badge to index

* Update UiLibrary.js

* Remove unused component

* Change AddObsButton a11y label

* Change hint

* Use consistent uri in snapshots

* Add snapshot to InlineUser

* Fix wrong user key

* Update Tabs.test.js

* Snapshot TODO

* Update NavButton.js

* Update snapshot

* Add snapshot for active user icon

* Remove snapshot result

* Add ActivityCount to index

* Update UiLibrary.js

.eslintrc.js

@@ -49,6 +49,11 @@ module.exports = {
     // raise alarms when you try to import things not declared in
     // package.json.
     "import/no-extraneous-dependencies": ["error", {}],
+    "import/extensions": [2, {
+      js: "never",
+      jsx: "never",
+      json: "always"
+    }],
     "max-len": [
       "error",
       100,