feat(bootstrap3): Add support for most Bootstrap 3 changes.

Probably best to close the other two open issues and stick this in 1 PR. I'll close #729 and #731 to consolidate all of this. 

- [x] **General (Demo)** Landed as angular-ui@6c4ac3a52987c88cfa13e296b5f76e2d502e8ee8
- [ ] **Accordion** Removed from Bootstrap as of RC 2. Replaced by panel-collapse.
- [ ] **Alert** Waitin on #841 to land.
- [x] **Buttons** Unchanged
- [ ] **Carousel** Partial land as angular-ui@76edf42. Waiting on #844.
- [ ] **Collapse** Needs refactor.
- [ ] **Datepicker** Waiting on #826 to land.
- [ ] **Dialog** Waiting on #441 to land.
- [x] **Dropdown Toggle** Unchanged
- [ ] **Modal** Waiting on #441 to land.
- [x] **Pagination** Landed as angular-ui@053e10f
- [x] **Popover** Landed as angular-ui@c81495b
- [ ] **Progressbar** Waiting for #762 to land.
- [x] **Rating** Landed as angularui@eec31cc
- [x] **Tabs** Landed as angular-ui@be3811a17309ad8299ab208c430958ea45bdd64c
- [ ] **Timepicker** Waiting on #833 to land.
- [ ] **Tooltip** Landed as angular-ui@a96c5e9. Arrow positioning still needs fixed.
- [x] **Typeahead** Landed as angular-ui@5a3e426