Fix keyword argument separation issues in lib

Mostly requires adding ** in either calls or method definitions.

Author: jeremyevans

lib/rdoc/generator/darkfish.rb

@@ -269,7 +269,7 @@ def copy_static
 
     @options.static_path.each do |path|
       unless File.directory? path then
-        FileUtils.install path, @outputdir, fu_options.merge(:mode => 0644)
+        FileUtils.install path, @outputdir, **fu_options.merge(:mode => 0644)
         next
       end
 
@@ -278,9 +278,9 @@ def copy_static
           dest_file = @outputdir + entry
 
           if File.directory? entry then
-            FileUtils.mkdir_p entry, fu_options
+            FileUtils.mkdir_p entry, **fu_options
           else
-            FileUtils.install entry, dest_file, fu_options.merge(:mode => 0644)
+            FileUtils.install entry, dest_file, **fu_options.merge(:mode => 0644)
           end
         end
       end
@@ -585,16 +585,16 @@ def install_rdoc_static_file source, destination, options # :nodoc:
     return unless source.exist?
 
     begin
-      FileUtils.mkdir_p File.dirname(destination), options
+      FileUtils.mkdir_p File.dirname(destination), **options
 
       begin
-        FileUtils.ln source, destination, options
+        FileUtils.ln source, destination, **options
       rescue Errno::EEXIST
         FileUtils.rm destination
         retry
       end
     rescue
-      FileUtils.cp source, destination, options
+      FileUtils.cp source, destination, **options
     end
   end