Fixed previews and vision files

(cherry picked from commit f04901901ccd89e33809679dc8e953a030a601c7)

iw4x/iw4x_00/vision/mp_carentan.vision

@@ -0,0 +1,17 @@
+r_glow                    "1"
+r_glowRadius0             "7"
+r_glowRadius1             "7"
+r_glowBloomCutoff         "0.136422"
+r_glowBloomDesaturation   "0.65"
+r_glowBloomIntensity0     "0.36"
+r_glowBloomIntensity1     "0.36"
+r_glowSkyBleedIntensity0  "0.29"
+r_glowSkyBleedIntensity1  "0.29"
+ 
+r_filmEnable              "1"
+r_filmContrast            "1.13"
+r_filmBrightness          "-0.04"
+r_filmDesaturation        "-0.14"
+r_filmInvert              "0"
+r_filmLightTint           ".792 1 1.1"
+r_filmDarkTint            "1.11 1.07 .76"

iw4x/iw4x_00/vision/mp_pipeline.vision

@@ -1,5 +1,5 @@
 r_glow                    "1"
-r_glowRadius0             "2.1"
+r_glowRadius0             "1.7"
 r_glowRadius1             "0"
 r_glowBloomCutoff         "0.682"
 r_glowBloomDesaturation   "0"