Fix Gemfile.

Author: gkellogg

Gemfile

@@ -8,12 +8,11 @@ gem 'rdf',                  git: "https://github.com/ruby-rdf/rdf",
 group :development do
   gem 'ebnf',               git: "https://github.com/dryruby/ebnf",                 branch: "develop"
   gem 'sxp',                git: "https://github.com/dryruby/sxp.rb",               branch: "develop"
-  gem 'rdf-aggregate-repo', path: '../rdf-aggregate-repo'
-  #gem 'linkeddata',         git: "https://github.com/ruby-rdf/linkeddata",          branch: "develop"
+  gem 'linkeddata',         git: "https://github.com/ruby-rdf/linkeddata",          branch: "develop"
   gem 'rack-linkeddata',    git: "https://github.com/ruby-rdf/rack-linkeddata",     branch: "develop"
   gem 'rdf-spec',           git: "https://github.com/ruby-rdf/rdf-spec",            branch: "develop"
   gem 'rdf-isomorphic',     git: "https://github.com/ruby-rdf/rdf-isomorphic",      branch: "develop"
-  gem 'rdf-turtle',           git: "https://github.com/ruby-rdf/rdf-turtle",            branch: "develop"
+  gem 'rdf-turtle',         git: "https://github.com/ruby-rdf/rdf-turtle",          branch: "develop"
   gem 'rdf-trig',           git: "https://github.com/ruby-rdf/rdf-trig",            branch: "develop"
   gem 'rdf-vocab',          git: "https://github.com/ruby-rdf/rdf-vocab",           branch: "develop"
   gem 'rdf-xsd',            git: "https://github.com/ruby-rdf/rdf-xsd",             branch: "develop"