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_citadel_stillstalkers01.vcd

@@ -1,59 +1,59 @@
-// Choreo version 1
-actor "Alyx"
-{
-  channel "audio"
-  {
-    event generic "Still Stalkers 1"
-    {
-      time 0.064516 2.080647
-      param "debugtext There are still stalkers in there!  You have to stop them."
-    }
-  }
-  channel "look at"
-  {
-  }
-  channel "move to"
-  {
-  }
-  channel "faceTo"
-  {
-  }
-  channel "Postures"
-  {
-  }
-  channel "Trigger"
-  {
-    active "0"
-  }
-  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 "Still Stalkers 1"
+    {
+      time 0.064516 2.080647
+      param "debugtext There are still stalkers in there!  You have to stop them."
+    }
+  }
+  channel "look at"
+  {
+  }
+  channel "move to"
+  {
+  }
+  channel "faceTo"
+  {
+  }
+  channel "Postures"
+  {
+  }
+  channel "Trigger"
+  {
+    active "0"
+  }
+  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