- put disk usage in build report
- bump minimum disk space required before starting a build from 300mb to 1gb
- check repository consistency before pulling; if there are untracked files, or if the pull fails, blow away the repo and clone it again
- add heartbeats for eventual notification of when build machines go down
- mason.version: replaces mason.release, builds source package automatically, and tweets when new versions released
- webapps.mason: new downloads action includes automatically-generated source download and release announcement links