Merge pull request #201 from vlevigneron/GUI-FAQ-French

- First version of French FAQ
Prevent crash in the case of a particular kind of broken nameserver.
Test for NO_RESPONSE_PTR_QUERY.
Add NO_GLUE, NO_GLUE_PREVENTS_NAMESERVER_TESTS, HAS_A_RECORDS and A_QUERY_NO_RESPONSES.
Add NAMESERVER_NO_UDP_53 and NAMESERVER_NO_TCP_53.
Add SOA_NOT_EXISTS and IS_NOT_AUTHORITATIVE.
FAQ-en updated
Merge pull request #202 from sandoche2k/fix-faq-en

FAQ-en updated
Add EDNS0_BAD_QUERY, EDNS0_SUPPORT, QUERY_DROPPED, ANSWER_BAD_RCODE, CAN_BE_RESOLVED.
Add NO_RESPONSE_SOA_QUERY and NO_RESPONSE_MX_QUERY.
Merge pull request #204 from cdybedahl/add-todo-tests
Fixes #170
Fixed links
Fixed links
Merge pull request #205 from mtoma/fix-issue-170

Fixes #170
Merge pull request #206 from sandoche2k/fix-issue-links-faq

Fix issue links faq
Adding link to FAQ
Removing the html link
Merge pull request #207 from sandoche2k/adding-faq-en-linl-to-GUI

Adding faq en link to gui