Initial release, aligned with the M6 release of the VECMA Toolkit.
Basic architecture in place for creating UQ workflows, including elements for:
* reading input defining the parameter space of interest
* `Campaign` object to record runs required for analysis
* `Sampler`s to create runs required for a given analysis workflow
* creating simulation inputs (`Encoder`s)
* reading and interpreting simulation outputs (`Decoder`s)
* collation of output from multiple runs into a pandas dataframe for analysis
* simple statistical analysis