add license information

bitpay-client.gemspec

@@ -2,6 +2,7 @@ require './lib/bitpay/version.rb'
 Gem::Specification.new do |s|
   s.name = 'bitpay-client'
   s.version = BitPay::VERSION
+  s.licenses = ['MIT']
   s.authors = 'Bitpay, Inc.'
   s.email = 'info@bitpay.com'
   s.homepage = 'https://github.com/bitpay/ruby-client'

lib/bitpay.rb

@@ -1,3 +1,7 @@
+# license Copyright 2011-2014 BitPay, Inc., MIT License
+# see http://opensource.org/licenses/MIT
+# or https://github.com/bitpay/php-bitpay-client/blob/master/LICENSE
+
 libdir = File.dirname(__FILE__)
 $LOAD_PATH.unshift(libdir) unless $LOAD_PATH.include?(libdir)
 require 'bitpay/client'

lib/bitpay/cli.rb

@@ -1,3 +1,7 @@
+# license Copyright 2011-2014 BitPay, Inc., MIT License
+# see http://opensource.org/licenses/MIT
+# or https://github.com/bitpay/php-bitpay-client/blob/master/LICENSE
+
 require 'rubygems'
 require 'commander/import'
 

lib/bitpay/client.rb

@@ -1,3 +1,7 @@
+# license Copyright 2011-2014 BitPay, Inc., MIT License
+# see http://opensource.org/licenses/MIT
+# or https://github.com/bitpay/php-bitpay-client/blob/master/LICENSE
+
 require 'uri'
 require 'net/https'
 require 'json'

lib/bitpay/key_utils.rb

@@ -1,3 +1,7 @@
+# license Copyright 2011-2014 BitPay, Inc., MIT License
+# see http://opensource.org/licenses/MIT
+# or https://github.com/bitpay/php-bitpay-client/blob/master/LICENSE
+
 require 'uri'
 require 'net/https'
 require 'json'

lib/bitpay/version.rb

@@ -1,3 +1,7 @@
+# license Copyright 2011-2014 BitPay, Inc., MIT License
+# see http://opensource.org/licenses/MIT
+# or https://github.com/bitpay/php-bitpay-client/blob/master/LICENSE
+
 module BitPay
   VERSION = '2.0.0'
 end

lib/harness.rb

@@ -1,3 +1,7 @@
+# license Copyright 2011-2014 BitPay, Inc., MIT License
+# see http://opensource.org/licenses/MIT
+# or https://github.com/bitpay/php-bitpay-client/blob/master/LICENSE
+
 require_relative 'bitpay.rb'
 require_relative 'bitpay/key_utils.rb'