fixed a typo

* Include CDN instructions for Bootstrap 4

* chore(readme): added bs4 cdn instructions

* Fix Bootstrap 4 and card text #1637

Moved card class to a surrounding div so text formats correctly with Bootstrap 4

* Fix Bootstrap 4 and card text #1637

Moved card class to a surrounding div so text formats correctly with Bootstrap 4

* Added instructions for BS4

* Added instructions for BS4 setup with ng/cli

shows how to set up for bootstrap 4 in an angular-cli

* Links added to readme and getting-started for bs4 instructions

fixes #1343

closes #1270, closes #1188 

This commit updates all references of BS 3.0 from
3.3.* to 3.3.7 - as 3.3.7 was introduced in #783 PR
but no references in content have been udpated.

Thanks!

fixes #552

closes #29

* fix(typeahead): remove console.log

* chore(build): tslint linting now works with extends property

* chore(build): made tslint happy :)