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/ep2/Scenes/episode_2/trainyard_guardtower.vcd

@@ -1,64 +1,64 @@
-// Choreo version 1
-actor "Alyx"
-{
-  channel "Debug text"
-  {
-  }
-  channel "Moveto"
-  {
-  }
-  channel "Look at"
-  {
-  }
-  channel "Face"
-  {
-  }
-}
-
-actor "!Target1"
-{
-  channel "Debug Text"
-  {
-    event generic "these poor bastards sure want in.  Fat Chance."
-    {
-      time 0.107498 3.013334
-      param "debugtext Citizen: Man, these poor bastards sure want in.  Fat chance."
-    }
-  }
-  channel "Look at"
-  {
-  }
-  channel "Moveto"
-  {
-  }
-  channel "Face"
-  {
-  }
-}
-
-actor "!Target2"
-{
-  channel "Debug Text"
-  {
-  }
-  channel "Look at"
-  {
-  }
-  channel "Moveto"
-  {
-  }
-  channel "Face"
-  {
-  }
-}
-
-scalesettings
-{
-  "CChoreoView" "150"
-  "RampTool" "100"
-  "ExpressionTool" "100"
-  "GestureTool" "100"
-  "SceneRampTool" "100"
-}
-fps 60
-snap off
+// Choreo version 1
+actor "Alyx"
+{
+  channel "Debug text"
+  {
+  }
+  channel "Moveto"
+  {
+  }
+  channel "Look at"
+  {
+  }
+  channel "Face"
+  {
+  }
+}
+
+actor "!Target1"
+{
+  channel "Debug Text"
+  {
+    event generic "these poor bastards sure want in.  Fat Chance."
+    {
+      time 0.107498 3.013334
+      param "debugtext Citizen: Man, these poor bastards sure want in.  Fat chance."
+    }
+  }
+  channel "Look at"
+  {
+  }
+  channel "Moveto"
+  {
+  }
+  channel "Face"
+  {
+  }
+}
+
+actor "!Target2"
+{
+  channel "Debug Text"
+  {
+  }
+  channel "Look at"
+  {
+  }
+  channel "Moveto"
+  {
+  }
+  channel "Face"
+  {
+  }
+}
+
+scalesettings
+{
+  "CChoreoView" "150"
+  "RampTool" "100"
+  "ExpressionTool" "100"
+  "GestureTool" "100"
+  "SceneRampTool" "100"
+}
+fps 60
+snap off