[501864] Join conflicts with overlapping diffs in SMV

If multiple conflicts contain overlapping diffs, these conflicts are
joined into one conflict node shown in the SMV. Overlapping diffs may
occur due to the replacement of refining diffs with their refined diffs
for conflict nodes.

Bug: 501864
Change-Id: Ie5cb460ede7f9f7157796e6a95173b10d4fe50a2
Signed-off-by: Tanja Mayerhofer <tmayerhofer@eclipsesource.com>
8 files changed