use Makefile instead of build.sh

[jakubgs]

Because God invented Makefiles for a reason.

 $ make
Usage: make [target]

archive:
  archive               Create the app.zip archive for use with ElasticBeanstalk

build:
  all                   Build the final app.zip from scratch

checks:
  check-prod-vars       Check if the necesary env variables are set

clean:
  clean-archive         Remove app.zip
  clean-build-dir       Remove full-build dir
  clean                 Cleanup all the build artifacts
  purge                 Remove everything that isn't committed

compile:
  compile-contracts     Compile the contracts using Embark.js
  compile-js            Compile the React application

copy:
  copy-backend          Copy over the backend files to full-build dir
  copy-frontend         Copy over the frontend files to full-build dir
  copy-misc             Copy over the miscalenious config config files

create:
  mk-build-dir          Create the destination directory for full build

miscellaneous:
  help                  Show this help.

patch:
  patch-ipfs            Patch the deprecated id() call in IPFS API