As requested by the contribution guide:
https://asciimoo.github.io/searx/dev/contribution_guide.html

Code is refactored and example data are truncated.

Cf. http://legacy.python.org/dev/peps/pep-0008/#blank-lines

add BASE engine in category "Science"

[enh] multilingual autocomplete

implemented for wikipedia, qwant and google

Add Arch Linux Wiki search engine

Content field in Arch Wiki search results is of no real use, more often
than not it contains no usable information and includes too many markup
tags which make the text unreadable. It is safe to remove it.

[fix] duckduckgo's xpaths changed

for some reason installing grunt globally caused travis test to fail.

test_duckduckgo modified to reflect changes in duckduckgo's html

Update link to documentation page

[fix] improve argument parsing of manage.sh

Translation fix

add new languages:
* bg
* el_GR
* eo
* pt_BR

[enh] autocompletion : add qwant

WolframAlpha infobox

setting async to false in the request did the job, lol.