Add alt in infobox image.

Put the infobox first. Result first is more useful for the user.
Add id in form for "for".
htmlentities in the URL.
Take care of spaces in categories.

Add pubdate with a good format, against publishedDate.

pep8 : engines

[oscar_template] split up js-files, FIX #132

Adding `import sys` to fix the installer

update of french translation

[fix][template_oscar] make overpass-api call over https and add better error-message

responsive theme courgette

and add better error message if ajax-call fail

Template oscar, add map support

[enh] make version of searx readable

change package data in setup.py for oscar theme

new template: oscar

[enh] add no-js support

* image results have url, which can be clicked
* preferences full functionable without js