Merge pull request #131 from thinreports/prawn-requires-matrix-gem

Fix LoadError: cannot load such file -- matrix

Author: hidakatsuya

Gemfile

@@ -9,7 +9,6 @@ gem 'rake'
 gem 'minitest'
 gem 'mocha'
 gem 'pdf-inspector'
-gem 'matrix'
 gem 'pdf_matcher-testing'
 
 # suppress warning: assigned but unused variable - y1

thinreports.gemspec

@@ -23,5 +23,6 @@ Gem::Specification.new do |s|
   s.require_paths = ['lib']
 
   s.add_dependency 'prawn', '>= 2.4.0'
+  s.add_dependency 'matrix', '~> 0.4'
   s.add_dependency 'rexml'
 end