Salesforce-merlion

What's Changed
* Replace absolute path with a relative one in the model saving/loading procedure by isenilov in https://github.com/salesforce/Merlion/pull/63
* Combine boosting/bagging trees into one file. by aadyotb in https://github.com/salesforce/Merlion/pull/68
* Add incremental training option to DAGMM model by isenilov in https://github.com/salesforce/Merlion/pull/65
* Change default min_likelihood to 1e-16 for BOCPD by cnll0075 in https://github.com/salesforce/Merlion/pull/71
* Let eval metrics work w/ UnivariateTimeSeries. by aadyotb in https://github.com/salesforce/Merlion/pull/74
* Implement reconciliation for hierarchical time series. by aadyotb in https://github.com/salesforce/Merlion/pull/72

**Full Changelog**: https://github.com/salesforce/Merlion/compare/v1.1.1...v1.1.2

What's Changed
* Explicitly specify int64 for timestamps (not int) to fix a Windows bug (58)
* Fix bugs with `MoE_ForecasterEnsemble` (51), default models (57), and Prophet holidays (59)
* Make base installation more lightweight (61)
* Use py4j instead of jpype for Python-Java bridge (62)

**Full Changelog**: https://github.com/salesforce/Merlion/compare/v1.1.0...v1.1.1

What's Changed
* Re-architecture of layered models & ensembles, making AutoML easier to use (47)
* Added AutoML variants of `ETS` and `Prophet` (`AutoETS` and `AutoProphet`, similar to the existing `AutoSarima`)
* Bug fixes related to resampling (45)
* Improved quality of API docs for model configs

What's Changed
* Add change point detection module (41)
* Add more config options to Prophet (43)

**Full Changelog**: https://github.com/salesforce/Merlion/compare/v1.0.1...v1.0.2

What's Changed
* Update prophet version (18)
* Allow sampling granularities that aren't a constant number of seconds, e.g. monthly (30)
* Fix bugs with AutoSARIMA implementation (32)
* Make data loading code more robust (35)
* Fix minor bug in `benchmark_anomaly.py` (38)

**Full Changelog**: https://github.com/salesforce/Merlion/compare/v1.0.0...v1.0.1

Initial release.