* Fix lint check in CI
* `npm run lint` now checks that code is properly formatted, instead of
running the formatter
* Add extra commands to run the linting, include ts definitions file
* Update flow-bin, fix type errors that come up
* Clarify lint vs lint:fix as requested
* Run `pretty` properly
* Add `build:program` like for spl-token
* Add TypeScript to CI
* snake_case -> camelCase variables
* Combine transactions on swap initialization
* Make instruction functions static
* Added token-swap ts and flow bindings and build pure JS versions using rollup, to match the token program
* Added references to the built files in token-swap package.json
* Added missing Account import
* Fix flow module syntax errors