Update doc, irc and mailing list information in manpages input

docs/man/man1/ansible-doc.1.asciidoc.in

@@ -61,5 +61,6 @@ SEE ALSO
 
 *ansible-playbook*(1), *ansible*(1), *ansible-pull*(1)
 
-Extensive documentation as well as IRC and mailing list info
-is available on the ansible home page: <https://ansible.github.com/>
+Extensive documentation is available in the documentation site:
+<http://docs.ansible.com>. IRC and mailing list info can be found
+in file CONTRIBUTING.md, available in: <https://github.com/ansible/ansible>

docs/man/man1/ansible-playbook.1.asciidoc.in

@@ -164,5 +164,6 @@ SEE ALSO
 
 *ansible*(1), *ansible-pull*(1), *ansible-doc*(1)
 
-Extensive documentation as well as IRC and mailing list info
-is available on the ansible home page: <https://ansible.github.com/>
+Extensive documentation is available in the documentation site:
+<http://docs.ansible.com>. IRC and mailing list info can be found
+in file CONTRIBUTING.md, available in: <https://github.com/ansible/ansible>

docs/man/man1/ansible-pull.1.asciidoc.in

@@ -107,5 +107,6 @@ SEE ALSO
 
 *ansible*(1), *ansible-playbook*(1), *ansible-doc*(1)
 
-Extensive documentation as well as IRC and mailing list info
-is available on the ansible home page: <https://ansible.github.com/>
+Extensive documentation is available in the documentation site:
+<http://docs.ansible.com>. IRC and mailing list info can be found
+in file CONTRIBUTING.md, available in: <https://github.com/ansible/ansible>

docs/man/man1/ansible.1.asciidoc.in

@@ -176,5 +176,6 @@ SEE ALSO
 
 *ansible-playbook*(1), *ansible-pull*(1), *ansible-doc*(1)
 
-Extensive documentation as well as IRC and mailing list info
-is available on the ansible home page: <https://ansible.github.com/>
+Extensive documentation is available in the documentation site:
+<http://docs.ansible.com>. IRC and mailing list info can be found
+in file CONTRIBUTING.md, available in: <https://github.com/ansible/ansible>