Allow yard to be launched by 'bundle exec' by separating version from…

… yard.rb

lib/yard.rb

@@ -1,6 +1,6 @@
-module YARD
-  VERSION = "0.8.2.1"
+require File.expand_path('../yard/version.rb', __FILE__)
 
+module YARD
   # The root path for YARD source libraries
   ROOT = File.expand_path(File.dirname(__FILE__))
 

lib/yard/parser/ruby/ast_node.rb

@@ -486,4 +486,4 @@ def first_line; "" end
       end
     end
   end
-end
+end

lib/yard/version.rb

@@ -0,0 +1,3 @@
+module YARD
+  VERSION = "0.8.2.1"
+end

yard.gemspec

@@ -1,4 +1,5 @@
-require File.expand_path(File.dirname(__FILE__) + '/lib/yard')
+require File.expand_path('../lib/yard/version', __FILE__)
+
 Gem::Specification.new do |s|
   s.name          = "yard"
   s.summary       = "Documentation tool for consistent and usable documentation in Ruby."
@@ -19,4 +20,4 @@ Gem::Specification.new do |s|
   s.executables   = ['yard', 'yardoc', 'yri']
   s.has_rdoc      = 'yard'
   s.rubyforge_project = 'yard'
-end
+end