Update gemspec

Author: simonoff

roo.gemspec

@@ -1,4 +1,4 @@
-# coding: utf-8
+# encoding: utf-8
 lib = File.expand_path('../lib', __FILE__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require 'roo/version'
@@ -9,8 +9,8 @@ Gem::Specification.new do |spec|
   spec.authors       = ['Thomas Preymesser', 'Hugh McGowan', 'Ben Woosley']
   spec.email         = ['ruby.ruby.ruby.roo@gmail.com']
   spec.summary       = 'Roo can access the contents of various spreadsheet files.'
-  spec.description   = "Roo can access the contents of various spreadsheet files. It can handle\n* OpenOffice\n* Excel\n* Google spreadsheets\n* Excelx\n* LibreOffice\n* CSV"
-  spec.homepage      = 'http://github.com/Empact/roo'
+  spec.description   = "Roo can access the contents of various spreadsheet files. It can handle\n* OpenOffice\n* Excelx\n* LibreOffice\n* CSV"
+  spec.homepage      = 'http://github.com/roo-rb/roo'
   spec.license       = 'MIT'
 
   spec.files         = `git ls-files -z`.split("\x0")
@@ -19,9 +19,8 @@ Gem::Specification.new do |spec|
   spec.require_paths = ['lib']
 
   spec.add_dependency 'nokogiri'
-  spec.add_dependency 'rubyzip', '>= 1.0.0'
+  spec.add_dependency 'rubyzip', '~> 1'
 
-  spec.add_development_dependency 'bundler', '>= 1.7'
   spec.add_development_dependency 'rake', '>= 10.0'
   spec.add_development_dependency 'minitest', '>= 5.4.3'
 end