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
Remove now useless apt pinning for Iceweasel.

This was used to block the upgrade of our equivs-generated iceweasel
package to the one in our APT repos before the TBB migration was
merged into devel. After that, the packages was removed, so this is
not needed any more.
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.