1. small-tabs.component.ts: File added for small screens - active tab & a fake tab are always visible, while all tabs are shows in a list, toggled by fake tab (connected to switcher 'small-tabs-content').
2. tabs.component.ts: Tabs are connected to switcher 'tabs-content'.
3. tabs.module.ts: Add 'SmallTabsComponent' in declarations & exports.
git-svn-id: https://svn.driver.research-infrastructures.eu/driver/dnet40/modules/uoa-services-library/trunk/ng-openaire-library/src/app@58758 d315682c-612b-4755-9ff5-7f18f6832af3