fix(timepicker): ignore ngModel date part when validating min/max time

For validating the current time value against min/max time, it creates a new Date with date part set to Jan 1, 1970, which is the same as the min/max time values, so effectively, only the time part is compared.

should fix #1143
docs(readme): add ngAnimate dependency to quick start section
fix(select): multi-select checkmark icon now displays correctly in Firefox

The bootstrap dropdown > li > a white-space: nowrap; setting seems to cause a display bug for the checkmark icon in Firefox. I got it to display correctly by moving the icon element outside the anchor element. Maybe there is a simpler way for fixing this?

fix for #735
fix(datepicker): fix ngAnimate 1.3 error when using autoClose

By including the ngAnimate/ngAnimateMock in the datepicker tests, I was able to replicate this issue. Applyed same solution as was done for timepicker, by wrapping the autoClose call to hide() inside a $timeout.

fixes #1150
feat(tooltip): add bsEnabled helper attribute

Add support for a new tooltip helper attribute that enables or disables the tooltip to show.
docs(tooltip): add section for bsShow/bsEnabled helper attributes