The guy forked the Solid project into a repository called bitmark-storage and now he's using git pull upstream to take other peoples' work and give the impression that bitmark is under development when in fact this shitcoin has stopped being developed since 2015 (if you don't count the 2016 commits on readme files and protocol version bumps) . Even his newest bitmark-app repository is just an empty electron instance 
One search can answer this.
https://solid.mit.edu/
"Meet Our Team"
Melvin Carvalho is listed as contributor to Solid, along with Tim Berners-Lee.
Conclusion, Bitmark developer is also working on an MIT Project with the man who invented the World Wide Web, and leveraging his own work in Bitmark Storage development.