Use new RSpec 'expect' syntax in README example

Wisper looks great, I'm looking forward to using it on a project soon!
Merge pull request #59 from andyw8/patch-1

Use new RSpec 'expect' syntax in README example
added custom rspec matcher
Move spec for rspec stubbing in to correct directory with better filename
bump rspec version, add rake as development dependency
Add CHANGELOG #61 [skip ci]
Merge pull request #69 from krisleech/update-dependencies

bump rspec version, add rake as development dependency
Merge pull request #68 from krisleech/write-a-changelog-61

Add CHANGELOG #61 [skip ci]
Update the README to use Ruby 2 style Hash (FIX #65)
Merge pull request #70 from artmees/master

Update the README to use Ruby 2 style Hash [#65]
fix: rspec matcher [#60]
add Wisper#subscribe method [#66]

which replaces both .with_listeners and .add_listener
Merge pull request #72 from artmees/master

alias global and temporary listener methods to "subscribe" for consistancy
Merge pull request #71 from krisleech/rspec-matcher

fix: rspec matcher [60]
fix deprecation in rspec matcher
Merge branch 'master' of https://github.com/krisleech/wisper

Conflicts:
	lib/wisper/rspec/matchers.rb
fixed broken specs