trailing whitespace
dynamically add quick filter box
dynamically add select all, none buttons
remove unnecessary value for autofocus attribute
Merge branch 'develop' into 386/hide-filter-box-if-no-js

Conflicts:
	securedrop/journalist_templates/index.html
dyn add select boxes on source pages
Merge pull request #396 from freedomofpress/386/hide-filter-box-if-no-js

386/hide filter box if no js