Take care of a bunch of pending GPU rebaselines and remove tests from ignored-tests.txt

expectations/gm/Test-Mac10.6-MacMini4.1-GeForce320M-x86_64-Release/expected-results.json

 {
   "actual-results": {
     "failed": null, 
     "failure-ignored": null, 
     "no-comparison": null, 
     "succeeded": null
   }, 
   "expected-results": {
     "3x3bitmaprect_565.png": {
       "allowed-digests": [
@@ skipping 5208 matching lines @@
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "downsamplebitmap_checkerboard_high_512_256_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          17528203856946988833
+          6481939352948074473
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "downsamplebitmap_checkerboard_high_512_256_pdf-mac.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           16093357615070406962
         ]
@@ skipping 168 matching lines @@
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "downsamplebitmap_image_high_mandrill_512.png_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          429104140719767348
+          13242845885221560615
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "downsamplebitmap_image_high_mandrill_512.png_pdf-mac.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           4728543805842578754
         ]
@@ skipping 216 matching lines @@
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }, 
     "downsamplebitmap_text_high_72.00pt_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          4745997174382078910
+          14843072844415365931
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "downsamplebitmap_text_high_72.00pt_pdf-mac.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           10111800974903191139
         ]
@@ skipping 769 matching lines @@
           "bitmap-64bitMD5", 
           17431832542123652511
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "filterbitmap_checkerboard_192_192_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          3189403603662260150
+          8442978142037036312
         ]
       ], 
       "reviewed-by-human": true
     }, 
     "filterbitmap_checkerboard_192_192_pdf-mac.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           17709234466906542744
         ]
@@ skipping 7503 matching lines @@
           "bitmap-64bitMD5", 
           5226204384509634475
         ]
       ], 
       "reviewed-by-human": false
     }, 
     "vertices_80_gpu.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
-          15378416112190717089
+          1238935355949663480
         ]
       ], 
-      "reviewed-by-human": false
+      "reviewed-by-human": true
     }, 
     "vertices_80_pdf-mac.png": {
       "allowed-digests": [
         [
           "bitmap-64bitMD5", 
           5541447607866535516
         ]
       ], 
       "reviewed-by-human": false
     }, 
@@ skipping 370 matching lines @@
           7829854837061118142
         ]
       ], 
       "bugs": [
         1578
       ], 
       "reviewed-by-human": false
     }
   }
 }