support 7.x-1.0-beta4

Still in Beta; there are still known bugs. Rolling a new release though as a number of obnoxious bugs were fixed recently.

Bug fixes:

• #1392084: Notice: Undefined index: support_ticket in node_filter_form()...
  fully uninstall support module
• #1327278: Error when adding comment to ticket
  load full file object before using it in notifications
• #1405768: Missing spaces
  Zoltán Balogh: add missing spaces between sentences
• #1405196: Notice: Undefined property: stdClass when creating a ticket
  be sure $node->notification is set before using it
• #1458904: Some permissions seem duplicated, which may be confusing for some users.
  use node_list_permissions() generated support_ticket permissions 'create tickets' becomes 'create support_ticket content', 'delete any ticket' becomes 'delete any support_ticket content', 'delete own tickets' becomes 'delete own support_ticket content', 'edit any ticket' becomes 'edit any support_ticket content', and 'edit own tickets' becomes 'edit own support_ticket content'.
• #1446116: Notice: Trying to get property of non-object in support_comment_view()
  cleanup support_comment_view() protect against unloaded user object; protect against $client being FALSE
• #1390156: Notice: Undefined variable: client in _support_current_client() (line 3890 of ... sites/all/modules/support/support.module)
  prevent error if no valid $client object selected
• #1428572: Make i18n_variable a dependency
  check that the i18n_variable module is installed (which depends on the i18n module), not the i18n module itself
• #1508708: Secondary sort order does not work due to a typo in code
  andrewfn: sort per configured secondary sort order.
• #1128066: Improve documentation
• #1359678: Cant' create an unassigned ticket
  reported by javier.alejandro.castro: Don't forbid creating unassigned tickets.