v0.7.0

This marks the day on which horizon was released to the public!
v0.7.0 is the first version of lovli with horizon 1.0.1 and horizon-react 0.3.0

Changelog

• added import/exports loader until pr merged
• updated to [email protected] #celebrate! https://horizon.io
• updated horizon-react to v0.3.0
• updated react-hot-loader to 3.0.0-beta2
• creating the horizon client manually in lovli.js instead of letting it be generated by horizon-react
• renamed db from 'horizon' to 'lovli'
• fixed webpack issue with later.js and removed LATER_COV= env
• fixed react-hot-loader HMR issue