Responsive

Techlist should be viewable on small devices as on big devices : this should be good now !

On small (mobile) devices, only the map is displayed by default. When clicking on a marker, it replaces the map by the place page.

On bigger devices, this PR corrects a log of display bugs, and add some responsiveness to right panel.

Tested on Chrome, Firefox and iPhone 5. I let the PR opened the time of testing it on other devices.