translation update and new 2.0 video, fixes #185

Signed-off-by: Werner Macho <werner.macho@gmail.com>
merge develop
manually merged jeff update, translation update, fixes #220

Signed-off-by: Werner Macho <werner.macho@gmail.com>
Update index-fr.html

Supposedly it has been completely translated into French. Expect some forgotten lines or typos
add french mainpage
translation update from transifex

Signed-off-by: Werner Macho <werner.macho@gmail.com>
added  Labels' color and naming scheme
updated  Labels' color and naming scheme
added color palette
Merge pull request #223 from mbernasocchi/develop

added color palette
some fixes for #224 and translation update

Signed-off-by: Werner Macho <werner.macho@gmail.com>
Merge remote-tracking branch 'upstream/develop' into develop
very minor style changes and adding ref to chapter
minor changes and style edits
style and content edits
style and content edits