Replace -c2 in Procfile.heroku with
-c${REDASH_HEROKU_CELERY_WORKER_COUNT:-2}. This reads from the
environment variable REDASH_HEROKU_CELERY_WORKER_COUNT and
uses the value of that if set, otherwise defaults to 2.
Add REDASH_HEROKU_CELERY_WORKER_COUNT to the settings page.
Fix comment in bin/pre_compile.
Remove .gitattributes and .travis.yml in rd_ui/.
Remove bin/run from Procfile.heroku.
Update documentation:
-Add a note about upgrading from version to version.
-Remove commands for DATABASE_URL and REDIS_URL.
-Add importance to the cookie secret variable.
-Merge adding redis and postgres addons into 1 step.
Move .bowerrc, bower.json, gulpfile.js, package.json
down to root level.
Update paths in .bowerrc, gulpfile.js, Makefile
Add a heroku-postbuild step to package.json which
installs devDependencies and runs the build.
Add step in bin/pre_compile which adds the
requirements_all_ds.txt to requirements.txt to ensure that
cffi is installed. Also removes pymssql as this is
not supported on Heroku.
Add content from rd_ui/.gitignore to .gitignore and
remove rd_ui/.gitignore.
Add section in setup.rst about Heroku deployments.
