Hides the summary-button in the replaymenu in case the summary wasn't
saved.
Corrects the timestamp for incompatible replays.
Remove unused UNUSED from header files.
Use string8() instead of OsString().
Mention a reported compiler warning.
Use const& instead of a copy in StartVisualReplay().
This was SVN commit r17356.
Moves StartVisualReplay() from JSInterface_VisualReplay.cpp to
VisualReplay.cpp, so that the former doesn't define any logic.
Uses replayFile.string8() instead of
utf8_from_wstring(replayFile.string()).
SAFE_DELETE instead of delete.
Fixes a compiler warning in getReplayDuration().
This was SVN commit r17314.