Add helper scripts.

scripts/replace.rb

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+require 'epath'
+search, replace = ARGV
+Dir["**/*.rb"].each do |file|
+  c = Path(file).read
+  rx = Regexp.new(search)
+  if c =~ rx
+    File.open(file, "w") do |io|
+      io << c.gsub(rx, replace)
+    end
+  end
+end

scripts/spaces.rb

@@ -0,0 +1,11 @@
+def clean_file(file)
+  c = File.read(file)
+  c.gsub!(/[ \t]+\n/, "\n")
+  File.open(file, 'w'){|io|
+    io << c
+  }
+end
+
+Dir["**/*.rb"].each{|file| clean_file(file)}
+Dir["**/*.yml"].each{|file| clean_file(file)}
+Dir["**/*.md"].each{|file| clean_file(file)}