Line-ending fixes for most of the remaining files.

Fixes line-endings for files with extensions vcd, cc, txt, bat, fxc, inc, lst,
proto, mak, mm, cfg, res, rc, def, vmt, vsh, vbsp, inl, asm, m4, vcproj,
vcxproj, sln, in, java, la, manifest, am, and rad.

Also fixes README, CONTRIBUTING, CONTRIBUTORS, LICENSE, CHANGES, COPYING, and
gitignore.

Finally, fixes executable bits.

sp/game/episodic/Scenes/episode_1/al_train_herewego.vcd

@@ -1,63 +1,63 @@
-// Choreo version 1
-actor "Alyx"
-{
-  channel "audio"
-  {
-    event generic "Alyx: Okay, here we go."
-    {
-      time 0.376344 3.188172
-      param "debugtext Alyx : Okay, here we go."
-    }
-    event generic "Alyx: Hold on!"
-    {
-      time 3.903226 5.639785
-      param "debugtext Alyx : Hold on!"
-    }
-  }
-  channel "look at"
-  {
-  }
-  channel "move to"
-  {
-  }
-  channel "faceTo"
-  {
-  }
-  channel "Postures"
-  {
-  }
-  channel "Trigger"
-  {
-  }
-  channel "bodyges"
-  {
-  }
-  channel "Gestures"
-  {
-  }
-  channel "armpose"
-  {
-  }
-  channel "facial"
-  {
-  }
-  channel "head"
-  {
-  }
-  channel "seq"
-  {
-  }
-  faceposermodel "U:\HL2\hl2\models\alyx.mdl"
-}
-
-mapname "maps\d1_trainstation_05bill.bsp"
-scalesettings
-{
-  "CChoreoView" "62"
-  "ExpressionTool" "18"
-  "GestureTool" "100"
-  "RampTool" "52"
-  "SceneRampTool" "100"
-}
-fps 60
-snap off
+// Choreo version 1
+actor "Alyx"
+{
+  channel "audio"
+  {
+    event generic "Alyx: Okay, here we go."
+    {
+      time 0.376344 3.188172
+      param "debugtext Alyx : Okay, here we go."
+    }
+    event generic "Alyx: Hold on!"
+    {
+      time 3.903226 5.639785
+      param "debugtext Alyx : Hold on!"
+    }
+  }
+  channel "look at"
+  {
+  }
+  channel "move to"
+  {
+  }
+  channel "faceTo"
+  {
+  }
+  channel "Postures"
+  {
+  }
+  channel "Trigger"
+  {
+  }
+  channel "bodyges"
+  {
+  }
+  channel "Gestures"
+  {
+  }
+  channel "armpose"
+  {
+  }
+  channel "facial"
+  {
+  }
+  channel "head"
+  {
+  }
+  channel "seq"
+  {
+  }
+  faceposermodel "U:\HL2\hl2\models\alyx.mdl"
+}
+
+mapname "maps\d1_trainstation_05bill.bsp"
+scalesettings
+{
+  "CChoreoView" "62"
+  "ExpressionTool" "18"
+  "GestureTool" "100"
+  "RampTool" "52"
+  "SceneRampTool" "100"
+}
+fps 60
+snap off