Merge pull request #21 from TGVarik/develop

removed old twitter api keys
adds geobox filter to twitter feed
Merge branch 'develop' of https://github.com/HR-Data-Geyser/Data-Geyser into develop
adds geobox filter to twitter feed
fix typo
Merge pull request #22 from biversen21/develop

adds geobox filter to twitter feed
adds keyword to tweet model; reduces log output