Update gemspec with correct informations

Author: valscion

jsonapi-authorization.gemspec

@@ -6,15 +6,13 @@ require 'jsonapi/authorization/version'
 Gem::Specification.new do |spec|
   spec.name          = "jsonapi-authorization"
   spec.version       = JSONAPI::Authorization::VERSION
-  spec.authors       = ["Vesa Laakso"]
-  spec.email         = ["vesa.laakso@venuu.fi"]
+  spec.authors       = ["Vesa Laakso", "Emil Sågfors"]
+  spec.email         = ["laakso.vesa@gmail.com", "emil.sagfors@iki.fi"]
 
   spec.summary       = "Generic authorization for jsonapi-resources gem"
-  spec.homepage      = "TODO: Put your gem's website or public repo URL here."
+  spec.homepage      = "https://github.com/venuu/jsonapi-authorization"
 
   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) }
   spec.require_paths = ["lib"]
 
   spec.add_dependency "jsonapi-resources", "0.7.0"