fix(ionList): show reorder/delete on item creation if list is showing

Fixes #1181
style(ionRefresher): remove added space

Fixes #1167
fix(ionicPopup): if input exists, focus it. else, focus first button

Closes #1176
test(tabs): update css tests for tab-title class
fix(ionContent): fix scoping with ngController

Fixes #1155
revert(test/css/tabs): undo change

Addresses #1166
scss(tabs): allow syntax with same tabbar to work
fix(tabs-item-hide): only hide tab nav items
test(ionList): makes ure it works with variable interpolation
chore(travis): make sure it always generates changelog from last release
chore(travis): s/--version/--from for changelog
chore(travis): make sure it uses tag name, not package.json name
chore(travis): change clone depth to 750
WIP: Virtual scroll with item size as any expression
fix: default data to empty array
feat: add grid
Merge branch 'wip-virtual-scroll' of https://github.com/driftyco/ionic into wip-virtual-scroll

Conflicts:
	js/angular/directive/content.js
	js/views/scrollView.js
	test/html/list-fit.html

marge wip-virtual-scroll