produce build results in /bin and /lib

.gitignore

@@ -1,2 +1,4 @@
-/build
 /.rsconscache
+/bin
+/build
+/lib

Rakefile.rb

@@ -17,7 +17,7 @@ end
 
 task :library do
   base_env.clone(clone: :all) do |env|
-    env.Library("^/lib#{NAME}.a", Dir["src/lib/**/*.{cc,c}"])
+    env.Library("lib/lib#{NAME}.a", Dir["src/lib/**/*.{cc,c}"])
   end
 end
 
@@ -31,7 +31,7 @@ task :gui => :library do
     else
       env["LIBS"] += ["GL"]
     end
-    env.Program("^/jes", Dir["src/gui/**/*.{cc,c}"])
+    env.Program("bin/jes", Dir["src/gui/**/*.{cc,c}"])
   end
 end