Compute history

[edwinkortman]

Belongs to #135

This message, and it's handler are going to determine SHA hashes that need to be checked out. For each SHA hash that needs to be checked out create an event. This happens as a reaction to the git repository being cloned in #148.

Things to do

• GitRepositoryClonedEvent.Handle
  • Passes the ComputeHistoryActivity to the message bus
• ComputeHistoryActivity
  • Param: Analysis id
  • Param: Repository id
• ComputeHistoryActivity.Handle method
  • Call the ComputeHistory service
  • Per HistoryIntervalStop found, emit Event HistoryIntervalStopFound
• HistoryIntervalStopFoundEvent
  • Param: repository identifier
  • Param: commit identifier