TODO list:
  - cache world calculation results
  - GUI
  - Community repositories
  - find a way to better handle real smartapps deps (need split PDEPEND?)
  - add deptest check for every reagent run
  - separate packages by license restrictions (find a way?)
  - server side code rewrite ala EquoInterface?

Project Status:
- reagent: complete.
- activator: complete.
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- equo - out of alpha status: 90%