Fixed bug 

When using sortable between two lists and a helper function (not 'clone') there is a problem if you drop an item at the last spot.
The first time it works, the second time it will add it as the first element of the list.
It continues this way for every even drop as the last item.
You can check it here:
http://codepen.io/anon/pen/FyaJs

See issue here:
https://github.com/angular-ui/ui-sortable/issues/186
Merge pull request #190 from thgreasi/master

chore: add karma-junit-reporter to profile performance
Merge pull request #191 from thgreasi/master

docs: document the order that jQueryUI Sortable events trigger
feat(sortable): initialize sortable with all user options, before first $watch
test(sortable): add test for firing create() callback on init
Merge pull request #187 from benmeiri/patch-1

fix(sortable): fix connected lists with helper for last spot drops
Merge pull request #194 from thgreasi/handlecreate

feat(sortable): initialize sortable with all user options, before first $watch
chore: increase version number to v0.12.7
Merge pull request #196 from thgreasi/v0.12.7dev

chore: increase version number to v0.12.7