Yet another round of lighting rebaselines: win7.

trunk/expectations/gm/base-shuttle_ubuntu12_ati5770/expected-results.json

 {
   "actual-results": {
     "failed": null, 
     "failure-ignored": null, 
     "no-comparison": null, 
     "succeeded": null
   }, 
   "expected-results": {
     "aaclip_565.png": {
       "allowed-digests": [
@@ skipping 2521 matching lines @@
           "bitmap-64bitMD5", 
           5916417329574827999
         ]
       ], 
       "ignore-failure": false
     }, 
     "lighting_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          896701923060213839
+          11007882816943253636
         ]
       ], 
       "ignore-failure": false
     }, 
     "lighting_8888.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          10762438290270197631
+          2445151253658587505
         ]
       ], 
       "ignore-failure": false
     }, 
     "lighting_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          16358520639652320103
+          11156208867963674446
         ]
       ], 
       "ignore-failure": false
     }, 
     "lineclosepath_565.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           10291224769557172430
         ]
@@ skipping 1372 matching lines @@
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           14130006638306207334
         ]
       ], 
       "ignore-failure": false
     }
   }
 }