chore(nuget): updated version to rc4, changed angular dep
feat(modal): expose options object
fix(affix): make IE9 happy (fixes #565)
feat(modal): trustAsHtml for the service (fixes #553)
Merge pull request #551 from khellang/nuget-version

chore(nuget): updated version to rc4, changed angular dep
feat(modal): dispatch show/hide events (also for derivative components)

The primary events are not fired until the enter / leave animations are
complete, but there are accompanying "before" counterparts in case an
implementor does want to know when the process is starting.
feat(tooltip): dispatch show/hide events (also for derivative components)