Added support for the new version of the MarsDD site, Add user descriptions to bio migrations and also added settings to turn off Swiftype search

Refactored a lot of main MarsMigration class
Merge pull request #28 from IdeaCouture/feature/67427448_add_bio_info_to_bio_types

Added support for the new version of the MarsDD site, Add user descripti...
[Delivers #67427448]