fixes #1412

fixes #1612

* added fakeAsync and tick calls to force change detection work in tests

* fixed karma config

* enabled code coverage

* chore(build): fixed karma config (#1606)

* added fakeAsync and tick calls to force change detection work in tests

* fixed disabled tests, removed outdated

* fixed karma config

* fixed event creation to support IE
this "browser" just can't use ctor of Event class...

* chore(build): fixed karma config (#1606)

* fixed disabled tests, removed outdated

* fixed event creation to support IE
this "browser" just can't use ctor of Event class...

* fix(tab.component): Use [ngClass] to avoid conflicts with [class.x] bindings

* Added tests, handle undefined customClass

* - added typeaheadOnBlur event
- added documentation for typeaheadOnBlur
- removed tab event key since blur event handles it
- added getter to _active item

* - fixed syntax error

* - maybe dependency problem?

* - added unit tests

* trying to build again

* 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

    fixes #1595

    fixes #1584, fixes #1590

fixes #1570

refs #1554

* feat(karma config for saucelabs testing)

* revert changes

* fix(demo): add example of using custom css classes in accordion panel

fixes #1538