Clarify a variable's purpose by renaming it

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Updater (cmd-line): be more forceful when asked to

In this case, when the user asked to force an upload of a complete
update site and some files to be uploaded have obsolete dependencies,
just break the dependencies.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Merge branch 'updater-upload'

This fixes a fatal error preventing the Jenkins job whose duty it is to
keep the TrackMate-dev up-to-date from performing its function.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>