clean-up code

* Remove trailing whitespace
  * Converts hard-tabs into two-space soft-tabs
  * Remove consecutive blank lines

lib/color.rb

@@ -17,7 +17,7 @@ module Color
 
   def command(string)
     `#{string}`
-    if $?.to_i > 0 
+    if $?.to_i > 0
       puts red " == #{string} - FAIL"
       puts red " == Error during configure"
       exit

lib/commit_ext.rb

@@ -1,11 +1,11 @@
 module CommitExt
   def safe_message
-    message.encode("UTF-8", 
-                   :invalid => :replace, 
-                   :undef => :replace, 
+    message.encode("UTF-8",
+                   :invalid => :replace,
+                   :undef => :replace,
                    :universal_newline => true,
                    :replace => "")
-  rescue 
+  rescue
     "-- invalid encoding for commit message"
   end
 end

lib/file_size_validator.rb

@@ -33,7 +33,7 @@ class FileSizeValidator < ActiveModel::EachValidator
 
   def validate_each(record, attribute, value)
     raise(ArgumentError, "A CarrierWave::Uploader::Base object was expected") unless value.kind_of? CarrierWave::Uploader::Base
-    
+
     value = (options[:tokenizer] || DEFAULT_TOKENIZER).call(value) if value.kind_of?(String)
 
     CHECKS.each do |key, validity_check|
@@ -53,7 +53,7 @@ class FileSizeValidator < ActiveModel::EachValidator
       record.errors.add(attribute, MESSAGES[key], errors_options)
     end
   end
-  
+
   def help
     Helper.instance
   end

lib/utils.rb

@@ -1,8 +1,8 @@
 module Utils
   module FileHelper
-    def binary?(string) 
+    def binary?(string)
       string.each_byte do |x|
-        x.nonzero? or return true 
+        x.nonzero? or return true
       end
       false
     end