REVERT THIS BEFORE MERGING!

Make OpenCover compile on my PC
Branch Exit Coverage
Profiler: Remove branch-exit merge
Framework: new SP xml attributes, 'fileid' & 'url'

SequencePoint xml-element exports 2 new xml-attributes
1) source fileid and
2) source 'url' (filename) if fileid == 0
Revert "REVERT THIS BEFORE MERGING!"

This reverts commit d2bc780b66fcdb58919000e1557104cfb6de47b1.
Include unvisited SP branches in report
Fix some null reference exceptions encountered during testing
prepare release