New Search Bar, fixes T536

Summary:
### Renamed Files

* renamed files

### Form Select

* removes set height for select element

### Search Bar Accordion Tabs

* adds search-tools component

* adds accordion-tabs in search bar
    * adds `accordion-tabs--search-bar.scss`
    * separates `accordion-tab` js from `accordion-tabs--search-bar`

* adjusts order of sass files in `style.scss`

### Fixed js errors

* add `$` and `jQuery` to allowed globals
* fixed how jQuery was being loaded in `app.js`

Test Plan:
* review all code
* test search bar and side bar tab functionality

Reviewers: shadowhand

Reviewed By: shadowhand

Subscribers: sebm90, digitalafrican, eyedol, lkamau, srutto, dkobia, rjmackay

Maniphest Tasks: T536

Differential Revision: https://phabricator.ushahidi.com/D263