Updating Rakefile to include gem info

Rakefile

@@ -5,12 +5,14 @@ begin
   require 'jeweler'
   Jeweler::Tasks.new do |gem|
     gem.name = "csv-mapper"
-    gem.summary = %Q{TODO: one-line summary of your gem}
-    gem.description = %Q{TODO: longer description of your gem}
+    gem.summary = %Q{CsvMapper is a small library intended to simplify the common steps involved with importing CSV files to a usable form in Ruby.}
+    gem.description = %Q{CSV Mapper makes it easy to import data from CSV files directly to a collection of any type of Ruby object. The simplest way to create mappings is declare the names of the attributes in the order corresponding to the CSV file column order.}
     gem.email = "lpillow@gmail.com"
     gem.homepage = "http://github.com/pillowfactory/csv-mapper"
     gem.authors = ["Luke Pillow"]
     gem.add_development_dependency "rspec", ">= 1.2.9"
+    gem.add_dependency "fastercsv"  
+    gem.extra_rdoc_files << "History.txt"
     # gem is a Gem::Specification... see http://www.rubygems.org/read/chapter/20 for additional settings
   end
   Jeweler::GemcutterTasks.new