start experimenting with IntervalStartTime class
refactor metrics uploader
fix require paths
test for Metrics::IntervalBuilder
tests for Metrics::Uploader
add test for Metrics::IntervalConfig and fix
create builder and uploader in vpsb manager ind inject them into metrics manager
add tests for Metrics::Manager
adding min_end_time to IntervalConfig
do not bother trying to build intervals if it is too early to generate any
allow creating metrics manager with configurable last_started_at
let the Metrics::Manager be in charge of testing if it is too early to rollup intervals
vpsb manager bugs
removing deprecated metrics_uploader