message_subscribe 7.x-1.0-rc2

Changes since 7.x-1.0-rc1:

• #2149181 by RoySegall, shawn_smiley: Logic error in notify_own_actions check.
• #2198915 by rjacobs: Queue processing probably needs some basic error checking.
• #2206157 by japerry: Add an API function to grab the view object of a message subscribe page, fix page count.
• #2149181 by shawn_smiley: Logic error in notify_own_actions check.
• Fixing the documentation for the function message_subscribe_send_message().
• Improve the docs of $subscribe_options['uids'] in message_subscribe_send_message().
• #2146551 by mdupont: Unnecessary dependency to message_subscribe_ui in message_subscribe_email.
• #2094129 by mcrittenden: Empty array in "IN" DB condition throws exception.