Remove unused import.
Do not show the T slider if only one timepoint.
Merge pull request #1654 from jburel/import-log

Import Log
make Adler-32 least favored
fix #10994: change how tree view adjusts current selection
Play movie across small t.
Update header
Merge pull request #1590 from joshmoore/rebased/develop/session-uuid-fixes

Session uuid fixes (rebased onto develop)
Review movie playing.
Fix slider tooltip.
Fix size (missing 1)
Fix display of channel info.
Display small t time information.
Remove space before unit.
Display channels in main viewer.
Remove methods and display channels.
Clean code.
Do not rely on data displayed in tree.
Do not import as in private group.
Do not allow logged in user to import in other user's data.

Possible even if the context did not allow to do so.