corrections: added a deletion of the threads of the previous day before adding the threads of the current day.
Also, expanded the model so as to decide which threads are unanswered more accurately.
git-svn-id: https://svn.cs.york.ac.uk/svn/ossmeter/Software/source@883 1b171192-1bc4-4300-84b6-1b6fde2e8ce3
Authored by: ioannis.korkontzelos@manchester.ac.uk 2014-02-18
Parent(s): [cdddf1]
Child(ren): [a51509]