Add badge, update gemspec

Author: mpchadwick

README.md

@@ -1,5 +1,7 @@
 # jekyll-pre-commit
 
+[![Gem Version](https://badge.fury.io/rb/jekyll-pre-commit.svg)](https://badge.fury.io/rb/jekyll-pre-commit)
+
 A Jekyll plugin to make sure your post is _really_ ready for publishing.
 
 ![Terminal showing failed check](http://i.imgur.com/9PzDMiB.jpg)

jekyll-pre-commit.gemspec

@@ -9,19 +9,10 @@ Gem::Specification.new do |spec|
   spec.authors       = ["Max Chadwick"]
   spec.email         = ["[email protected]"]
 
-  spec.summary       = %q{TODO: Write a short summary, because Rubygems requires one.}
-  spec.description   = %q{TODO: Write a longer description or delete this line.}
-  spec.homepage      = "TODO: Put your gem's website or public repo URL here."
+  spec.summary       = %q{A Jekyll plugin to make sure your post is _really_ ready for publishing}
+  spec.homepage      = "https://github.com/mpchadwick/jekyll-pre-commit"
   spec.license       = "MIT"
 
-  # Prevent pushing this gem to RubyGems.org by setting 'allowed_push_host', or
-  # delete this section to allow pushing this gem to any host.
-  if spec.respond_to?(:metadata)
-    spec.metadata['allowed_push_host'] = "TODO: Set to 'http://mygemserver.com'"
-  else
-    raise "RubyGems 2.0 or newer is required to protect against public gem pushes."
-  end
-
   spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
   spec.bindir        = "exe"
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }