Remove VERSION file in favour of version entry in `package.json`. Parse
this version in our build server scripts.
This commit also introduces `standard-version` which we can use to
generate our `CHANGELOG.md` with `yarn run release`.
close#1831
- styled confirm button
- added locale translations
- added dropzoneDrop method to handle scenario where users drag and drop an image whilst in the cropper interface.
- co-authored-by: mattwr18 <mattwr18@gmail.com>