Added slang adapter + specs, reorganized specs and adapters

spec/kilt/slang_spec.cr

@@ -0,0 +1,18 @@
+require "../spec_helper"
+require "../../src/kilt/slang"
+
+class SlangView
+  Kilt.file "spec/fixtures/test.slang"
+end
+
+describe "kilt/slang" do
+
+  it "renders slang" do
+    Kilt.render("spec/fixtures/test.slang").should eq("<span>#{Process.pid}</span>")
+  end
+
+  it "works with classes" do
+    SlangView.new.to_s.should eq("<span>#{Process.pid}</span>")
+  end
+
+end