[enh] Add french translation for webapp.
add comments to search.py

* add comments
* add licence-header
add comments to languages.py

* add comments
* add licence-header
add comments to __init__.py

* add comments
* add licence-header
little update update comments in search.py
update comments in autocomplete.py

* update comments
* add licence-header
[enh] stick results from the same category and template
[fix] rewrite the google engine since Google Web Search API is about to expire
Merge pull request #99 from dalf/master

[enh] stick results from the same category and template and [fix] rewrite the google engine
Merge branch 'comments' of https://github.com/pointhi/searx

Conflicts:
	searx/search.py
[fix] when two results are merged, really use the content with more text
update comment
[enh] add infoboxes and answers
implement query parser and use it inside autocompletion
using Query class for parsing of search query
Merge pull request #106 from pointhi/query_parser

FIX: #101 implement query parser and use it inside autocompletion and search query extraction
Merge pull request #67 from opi/patch-1

[enh] Add french translation for webapp.
fix float division by zero bug in score calculation
Merge pull request #107 from pointhi/float_bug

fix float division by zero bug in score calculation
[enh] add infoboxes and answers (clean up)