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/al_the_creeps.vcd

@@ -1,45 +1,45 @@
-// Choreo version 1
-actor "Alyx"
-{
-  channel "move to"
-  {
-  }
-  channel "face to"
-  {
-    event face "face player"
-    {
-      time 0.018518 0.851851
-      param "!player"
-    }
-  }
-  channel "audio"
-  {
-    event speak "ep_01.al_whatthisplace"
-    {
-      time 0.950618 2.421412
-      param "ep_01.al_whatthisplace"
-      fixedlength
-      cctype "cc_master"
-      cctoken ""
-    }
-    event speak "al_ugh01"
-    {
-      time 0.074074 0.832804
-      param "ep_01.al_ugh01"
-      fixedlength
-      cctype "cc_master"
-      cctoken ""
-    }
-  }
-}
-
-scalesettings
-{
-  "CChoreoView" "108"
-  "RampTool" "100"
-  "ExpressionTool" "100"
-  "GestureTool" "100"
-  "SceneRampTool" "100"
-}
-fps 60
-snap off
+// Choreo version 1
+actor "Alyx"
+{
+  channel "move to"
+  {
+  }
+  channel "face to"
+  {
+    event face "face player"
+    {
+      time 0.018518 0.851851
+      param "!player"
+    }
+  }
+  channel "audio"
+  {
+    event speak "ep_01.al_whatthisplace"
+    {
+      time 0.950618 2.421412
+      param "ep_01.al_whatthisplace"
+      fixedlength
+      cctype "cc_master"
+      cctoken ""
+    }
+    event speak "al_ugh01"
+    {
+      time 0.074074 0.832804
+      param "ep_01.al_ugh01"
+      fixedlength
+      cctype "cc_master"
+      cctoken ""
+    }
+  }
+}
+
+scalesettings
+{
+  "CChoreoView" "108"
+  "RampTool" "100"
+  "ExpressionTool" "100"
+  "GestureTool" "100"
+  "SceneRampTool" "100"
+}
+fps 60
+snap off