First testable version
Merge pull request #445 from emmanuel-keller/master

First testable version
Merge pull request #444 from AlexandreToyer/master

Documentation: update french tutorial and add english tutorial
Doc update
Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/doc/en/documentation/faq/crawling/how_to_use_selenium_to_crawl_websites.md
Merge pull request #447 from emmanuel-keller/master

Doc update and merges
Documentation: add page about selenium