Radical.analytics

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- fix 102

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- introduce analytics.Experiment class and move utilization method to it
- sessions are now cached
- Expand upon modeling TTX
- TTC diagrams
- add jsrun version of metrics
- add quick plotter script
- documentation
- entity.ranges() *always* returns a list
- experiment level utilization plots
- fix off-by-one error
- increase timer precision
- re-align utilization plot with pilot runtime
- recursive profiles for RA sessions
- support bz2
- support global session time shift (session.tzero)

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- plot improvements
- fix tarball handling

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- fix deployment dependency (thanks Matteo!)

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- fail on and mark missing mandatory events
- add a native radical.analytics session (63)
- add events to capture pre-exec durations (67)
- add consistency check
- add allocation plot script
- add figure size option
- add plotting class
- add concurrency plot
- add statistics
- add utilization plot
- example fixes
- fix issue (74)
- fix logger creation
- fix prints in wrangler
- apply coding guidelines

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- make pypi happy