chore(build): update custom build to use $modal service

Closes #927
fix(typeahead): remove dependency on ng-bind-html-unsafe

Closes #813
fix(timepicker): add type attribute for meridian button
fix(datepicker): use $setViewValue for inner changes

Closes #855
fix(modal): opening a modal should not change default options

Closes #935
docs(README): clarify IE8 support

Closes #901
feat(modal): add support for custom window settings

Closes #892
fix(modal): backdrop should cover previously opened modals

Closes #922
Closes #931
chore(angular): update AngularJS to 1.0.8
feat(modal): expose $close and $dismiss options on modal's scope

Closes #966
fix(modal): allow replacing object with default options

Closes #967
chore(release): v0.6.0