update ALL THE THINGS
postgres
pg in Gemfile.lock
sqlite3 is development-only
log directory
Revert "log directory"

This reverts commit a3e1451e24ccec355e399b8c33f78f134637e2c8.
log to stdout
fixing include
Heroku puts ERB in config/database.yml
Revert "Add pg and have some fun"

This reverts commit e24db1e50fc81bcb024deda8250e81e2d127d811.
Revert "Bump to Ruby 2, latest Twitter gem"

This reverts commit e63fd1a10daedb1f333d7609d1e1df2fb1e19703.
Merge remote-tracking branch 'zobar/master'