Avoid call to $apply to improve performance

The function does not change the model so we can prevent $timeout to do the $apply. The performance improvement is very noticeable with a lot of instances of the directive (+30)
Merge pull request #1 from jacarma/patch-1

Avoid call to $apply to improve performance
Merge pull request #275 from jacarma/patch-1

chore(button): avoid call to $apply to improve performance
select/options: $parse instead of simple key lookup in the scope
select: disable listening for DOM updates by selectpicker
Merge pull request #290 from uxmaster/master

fix(select): issue #245 fix, pull request #267 bugfix
feat(modal): add support for bs3 (fixes #272)
feat(tooltip): add support for bs3 (fixes #277 #278)
feat(button): add support for bs3
Merge branch 'master' of github.com:mgcrea/angular-strap
feat(popover): add support for bs3
feat(release): bump to v0.7.8
Merge remote-tracking branch 'upstream/master'