Add support of SimpleCov(RCov) coverage analyze.

.gitignore

@@ -1,2 +1,10 @@
 .idea
 *.gem
+
+# SimpleCov
+coverage
+coverage.data
+
+# Need only on local machine for gem 
+Gemfile
+Gemfile.lock

astute.gemspec

@@ -16,6 +16,8 @@ Gem::Specification.new do |s|
 
   s.add_development_dependency 'rspec', '2.13.0'
   s.add_development_dependency 'mocha', '0.13.3'
+  s.add_development_dependency 'simplecov', '~> 0.7.1'
+  s.add_development_dependency 'simplecov-rcov', '~> 0.2.3'
 
   s.files   = Dir.glob("{bin,lib,spec}/**/*")
   s.executables = ['astute']

spec/spec_helper.rb

@@ -12,6 +12,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+require 'simplecov'
+require 'simplecov-rcov'
+SimpleCov.formatter = SimpleCov::Formatter::RcovFormatter
+SimpleCov.start
 
 require 'tempfile'
 require 'tmpdir'