Update README.md

Proxy options should be given in hash.
Update README.md

Adding syntax highlighting to the README.md
Fix typo
bumping nokogiri version
removed git reference
Use dc:identifier as entry_id

Fixes #181
Updated Nokogiri to 1.6.0 - temporary hack of sax-machine dependency necessary
sax-machine 0.2.1 dependency
Merge pull request #183 from AutoUncle/nokogiri-update

Nokogiri 1.6.0 update (sax-machine 0.2.1)
Bump version for rubygems release
whitespace cleanup
update home_run section of README.md

Ruby 1.9.3+ has optimized date handling performance.
remove rspec deprecations
fix uninitialized constant JSON::State exception
Add CHANGELOG

I prefer the change log format used by Gems like Fabrication or Devise.
Add license to gemspec

Fixes #184
OMG, whitespace cleanup!
Don't try to sanitize non-existent elements

I want to change how this works and I've got a branch that does it, but
I also wanted to close the issue that brought this up. For now, this is
my approach, but in upcoming releases I will go in another direction.

Fixes #174
Merge branch 'readme' of https://github.com/filiptepper/feedzirra into filiptepper-readme

* 'readme' of https://github.com/filiptepper/feedzirra:
  update home_run section of README.md
  whitespace cleanup
Merge branch 'rspec' of https://github.com/filiptepper/feedzirra into filiptepper-rspec

* 'rspec' of https://github.com/filiptepper/feedzirra:
  fix uninitialized constant JSON::State exception
  remove rspec deprecations

Conflicts:
	spec/feedzirra/feed_spec.rb