Prevent empty value warning during avatar cropping. See #4713
POT, generated from r6708
Allow groups_get_group_members() to have access to all params of wrapped method

Fixes #4753

Props chrisclayton

Adds documentation for groups_get_group_members()
Sanitize 'exclude' parameter in BP_Groups_Member::get_all_for_group()
POT, generated from r6713
Escape post text before checking for existing replies in bp_forums_reply_exists()

Fixes #4758

Props wpdennis