Simple search 7.x-1.0-alpha3

! [7.x-1.0-alpha3] Merge remote branch 'origin/ft/R1562' into 7.x-1.x
 ! [7.x-1.0-alpha2] RM 1457 - Makes simplesearch template overridable.
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-  [aa6eccc] Merge remote branch 'origin/ft/R1562' into 7.x-1.x
+  [6b30f7a] R1562: Add CSS classes in template
+  [35549ba] R1598: Allow to order forms within a block and choose a default form
+  [4da284e] R1598: Use .is(':checked') instead of .attr('checked') == 'checked'
+  [d723cdc] R1598: Allow multiple forms in a block
++ [51a84a1] RM 1457 - Makes simplesearch template overridable.