Update Vue to v2.1

What does this MR do?

Upgrades Vue from 2.0.3 to 2.1.10

Vue 2.1 changes: https://gist.github.com/yyx990803/faebe22e8763f5b17572b35ed96f52fe

This allows us to:

• Use a proper CJS bundle without a hardcoded environment when including via webpack
• Eventually include vue-loader to handle *.vue-style components
• Use scoped slots and some other neat features

Are there points in the code the reviewer needs to double check?

all builds jobs should pass

Does this MR meet the acceptance criteria?

• Changelog entry added
• Tests
  • All builds are passing
• Conform by the merge request performance guides
• Conform by the style guides
• Branch has no merge conflicts with master (if it does - rebase it please)
• Squashed related commits together

What are the relevant issue numbers?