tiny fix in the doc (deleting repetition)
Website french translation

Conflicts:
	wiki/src/doc/first_steps/persistence/check_file_system.fr.po
Updated fr.po translation

Conflicts:
	wiki/src/doc/first_steps/persistence/check_file_system.fr.po
Updating trace file after uploading 1.2~rc1.
Update upgrade-description files.
Add signature for 1.2~rc1.
Enable the pagestats plugin, needed for contribute/how/translate/translation_progress.
Fix and clean up a bit contribute/how/translate/translation_progress.
Drop manual test that has been automatized.
Add announcement for Tails 1.2~rc1.
Move coma to correct place.
Rework a bit the 1.2~rc1 announce.
updated PO files
Clarify the status of the doc about running the automated test suite as non-root.
Document one more requirement for running the automated test suite.
[fr] Review of commits 6cd8b88 c158aa1 and 5c800a6
Add steps for sysadmins / RM needs coordination.
Merge remote-tracking branch 'matsa/translation'
[fr] Grammar fixes.
[fr] Minor rephrasing.