Nzshm-model

official 0.10.6 release

Added
- short_name and long_name for ground motion branch_sets of stored models

Changed
- ground motion logic trees loaded from json instead of xml

Added
- tectonic_region_types member for SourceBranch

Changed
- tectonic_region_type moved from GMCMBranchSet to GMCMBranch
- renamed property LogicTree.combined_branches to composite_branches for clarity

Added
- BranchRegistry
- auto digest on BranchRegistryEntry
- botocode error handling for toshiAPI

Added
- migrated OpenquakeConfig class from runzi
- added test to above
- added hazard_config_compat module for hashig compatible configs

Changed
- fixed broken import for toshi

Changed
- NshmModel property gmm_logic_tree returns a GMCMLogicTree object rather than an OpenQuake psha_adaptor object