user_manual: fix grammar and clarification
Update index.rst

Typo fix.
Typo fix.
Typo fix.
Typo fix.
Typo fix.
Update mailinglists

Update mailinglists
Fix external API sample
Fixed broken links.
Merge pull request #316 from evert/stable6

Fixed broken links.
Minor typo fixes
Merge pull request #317 from DavidPrevot/tfix

Minor typo fixes
update client manual link
update client manual link - latest

make link automatically redirect to the latest version.
Update mailing list link to point to new location
Merge pull request #323 from RandolfCarter/patch-1

Update mailing list link to point to new location
Edit auth_ldap.rst

Fixed some typos, improved grammar
Merge pull request #326 from JohnVeness/stable6

Edit auth_ldap.rst
various fixes
use relative image location