v2.0.0-rc.7

Improvements

• Improved <transition-group> move animation performance by avoiding layout thrashing

Fixed

• #3670 v-bind object with no argument should work on components
• #3673 v-model value matching should use loose equal (make behavior consistent with 1.x)
• #3689 fix <select v-model> initial value out of sync in IE/Edge
• #3693 fix prop default value not used when using propsData
• #3729 fix <option value=""> cannot be selected with v-model
• #3730 fix iOS 10 UIWebView broken update issue