Issue #2199191 by nevergone, mr.york: Fix typo in form.api.php
Issue #1694026 by sandykadam, joachim: Fis docs in hook_field_attach_delete_bundle()
Issue #2181809 by davidneedham, Les Lim: Fix bullet list in README file
Issue #2188289 by Jaypan, sun, Berdir: Fix docs for drupal_get_token()
Issue #1796500 by sandykadam: Fix docs for hook_field_attach_validate()
Issue #2194027 by KelvinWong, sphism: Fix up database topic docs example queries
Merge branch '7.x' into 7.x-symfony