Work on the top bar.
Upgrade (partially) index page theme and sections.

Upgrade dev dependencies express and grunt-contrib-less
Create each landing page section, excluding the footer.

Also :

Known issue :
* Background images scale wrong.
* Nav bar button not center
Start work on responsive.
Add footer.

Also:
A lot of fine tuning and fixes.
Optimisation of translation ,

Also:
Image link repair.
Add some new translation.
Repair of the navigation bar.
Repair of the footer.
Other theme bug fixes.
Update Bootstrap version and clean-bower-installer version.
Add carousel for the "itWork" section.
Add dynamic demo section.

Know issue: translations don't work.
Made the translation work for the demo section.
Demo section :
* Simplify the init function
* Add forgotten "disabled" style for component at off on the demo image.
Demo section :
* Now responsive!
Add vector images in compatibility section.
French language correction.
Language file normalisation.
Merge branch 'themeIntegration' into productionLibOptimisation
Add some missing links and test with new theme.