copy frontend on top of master
timestamps to string
[frontend] default to development environment
[frontend] Rename config variables
Merge pull request #4 from commonsmachinery/frontend-structure-II

Frontend structure ii
[backend] Make event log destination configurable
[backend] Fix logging in absence of logging.ini
[backend] Retry logging events if database is unavailable
Merge branch 'master' into docker
Merge branch 'event-log-config' into docker
[backend] Use DATA_DIR config for Store (temporary fix to get docker deployment working)
Update backend dev image to use new settings and MongoDB event log