feat(components): new component loader provided

refs #1318

PS: added popovers - demo page required

fixes #298

fixes #893, fixes #1207

* first e2e tests

* moving tests in new folder

* feat(tooltip): add ability for user to define custom events for triggering tooltip displaying

* feat(tooltip): add ability for user to define custom events for triggering tooltip displaying

Merge branch 'feat-timepicker-config' of https://github.com/macroorganizm/ng2-bootstrap into macroorganizm-feat-timepicker-config

Conflicts:
	components/timepicker.ts
	src/timepicker/timepicker.component.ts

Merge branch 'feat-datepicker-config' of https://github.com/musienkoyuriy/ng2-bootstrap into musienkoyuriy-feat-datepicker-config

Conflicts:
	components/datepicker.ts

Merge branch 'feat-pagination-config' of https://github.com/macroorganizm/ng2-bootstrap into macroorganizm-feat-pagination-config

Conflicts:
	components/pagination.ts
	components/pagination/pager.component.ts
	src/pagination/pagination.component.ts

close #1215