Update French translation


git-svn-id: http://svn.code.sf.net/p/rosegarden/code/trunk/rosegarden@13199 cf6a83e7-f017-4305-b0b3-678bde24f230
Let's try that again, including fr.ts this time!


git-svn-id: http://svn.code.sf.net/p/rosegarden/code/trunk/rosegarden@13200 cf6a83e7-f017-4305-b0b3-678bde24f230
And finally, fix up those two translations for Yves...

git-svn-id: http://svn.code.sf.net/p/rosegarden/code/trunk/rosegarden@13201 cf6a83e7-f017-4305-b0b3-678bde24f230