rate 6.x-1.1

Changes:

• #1042216 by mauritsl, euricojardim: Add position: relative to .widget-button to fix widget for IE8
• #1059940 by mverbaar: Add clear-block class to floating elements
• #1026230, #1042216 by mauritsl: Make JS compatible with clean url disabled and add a random number to prevent caching issues
• by mauritsl: Make rate compatible with Pressflow for anonymous users
• #1035778 by VSZ: Fix allow override setting in rate expiration module
• #952504 by mauritsl: Add configuration option to disallow user to rate his or her own content
• #1033704 by mauritsl: Add support for queries and fragments in redirects set by hook_rate_vote_alter().
• #1033704 by mauritsl: Add hook_rate_vote_alter(). Can be used to alter the vote or redirect the user after the user has voted.
• #967392: Add rate-button-NUM class to each rate button in the default widget theming
• by pgrond #966454: Fix Notice: Undefined property: stdClass:: in rate_generate_widget()
• #968554: Fix rating results when using options with negative values