remove rcov, loosen up on the dev dependencies so it doesn't fail on …

…travisci

Gemfile

@@ -2,13 +2,12 @@ source "http://rubygems.org"
 # Add dependencies required to use your gem here.
 # Example:
 #   gem "activesupport", ">= 2.3.5"
+gem "bio", ">= 1.4.2"
 
 # Add dependencies to develop your gem here.
 # Include everything needed to run rake, tests, features, etc.
 group :development do
   gem "shoulda", ">= 0"
-  gem "bundler", "~> 1.0.0"
-  gem "jeweler", "~> 1.6.4"
-  gem "rcov", ">= 0"
-  gem "bio", ">= 1.4.2"
+  gem "bundler", "> 1.0.0"
+  gem "jeweler", ">= 1.6.4"
 end

Rakefile

@@ -32,14 +32,6 @@ Rake::TestTask.new(:test) do |test|
   test.verbose = true
 end
 
-require 'rcov/rcovtask'
-Rcov::RcovTask.new do |test|
-  test.libs << 'test'
-  test.pattern = 'test/**/test_*.rb'
-  test.verbose = true
-  test.rcov_opts << '--exclude "gems/*"'
-end
-
 task :default => :test
 
 require 'rake/rdoctask'