Merge pull request #1 from qgis/master

Update 3 janv. 2013
preamble files updates and index
WEB top page translation to Japanese
web site Japanese traslation
user_guide   preamble translation to Japanese
Update expression examples
documetn index
序文翻訳
FR: getting started translated
Merge pull request #31 from MarieSilvestre/master

fr translations from MarieSilvestre
Merge pull request #30 from NathanW2/expression

Update expression examples
Merge pull request #29 from yoichigmf/master

Web site Japanese translation from yoichigmf/master
adding japanese as one of the translations
fr translation: QGIS GUI
document index translation to Ja
translate to Ja
added link to site

rest of text in comments untill fixed
Merge pull request #32 from MarieSilvestre/master

fr translation: QGIS GUI
translate forword  japanese
new description of the status bar