Some stragglerbot rebaselines for lighting, imagefiltersscaled GMs.

expectations/gm/Test-Ubuntu12-ShuttleA-ATI5770-x86-Debug/expected-results.json

 {
   "actual-results": {
     "failed": null, 
     "failure-ignored": null, 
     "no-comparison": null, 
     "succeeded": null
   }, 
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
@@ skipping 7405 matching lines @@
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "imagefiltersscaled_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          18129600525400419152
+          10238232147342226787
         ]
       ]
     }, 
     "imagefiltersscaled_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          12368699066850634787
+          9407883314154566767
         ]
       ]
     }, 
     "imagefiltersscaled_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           11778882405248769421
         ]
       ]
@@ skipping 234 matching lines @@
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "lighting_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          6087529684074667970
+          6090553349191246080
         ]
       ], 
       "ignore-failure": false
     }, 
     "lighting_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          16045390965615627081
+          9341133377277028081
         ]
       ], 
       "ignore-failure": false
     }, 
     "lighting_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           3179382429067604637
         ]
@@ skipping 3767 matching lines @@
           12332625502817210303
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }
   }
 }