[ADD] Most of project module migration
[ADD] Map mail subtypes
[UPD] API docstring
[ADD] Update the projects' aliases with values for new fields
[RFR] Use new, generic value mapping method
[RFR] Refactor alias updates out to 8.0 API method
Merge pull request #65 from StefanRijnhart/8.0-project

[ADD] Migration scripts for the project addon