Losen gem dependencies.

Gemfile

@@ -3,16 +3,7 @@ source 'https://rubygems.org'
 gemspec
 
 group :development do
-  gem 'rake',			    '~> 0.8.7'
-
-  case RUBY_PLATFORM
-  when 'java'
-    gem 'maruku',	    '~> 0.6.0'
-  else
-    gem 'rdiscount',	'~> 1.6.3'
-  end
-
-  gem 'ore-core',     '~> 0.1.0'
-  gem 'ore-tasks',    '~> 0.3.0'
-  gem 'yard',		      '~> 0.6.0'
+  gem 'rake',			    '~> 0.8'
+  gem 'kramdown',	    '~> 0.13'
+  gem 'ore-tasks',    '~> 0.4'
 end

Gemfile.lock

@@ -2,33 +2,35 @@ PATH
   remote: .
   specs:
     wsoc (0.1.3)
-      json_pure (~> 1.4.0)
-      sinatra (~> 1.0.0)
+      json (~> 1.4)
+      sinatra (~> 1.0)
 
 GEM
   remote: https://rubygems.org/
   specs:
-    json_pure (1.4.6)
-    ore-core (0.1.0)
-    ore-tasks (0.3.0)
-      ore-core (~> 0.1.0)
-    rack (1.2.1)
-    rake (0.8.7)
-    rdiscount (1.6.5)
-    sinatra (1.0)
-      rack (>= 1.0)
-    yard (0.6.1)
+    json (1.6.3)
+    kramdown (0.13.3)
+    ore-core (0.1.5)
+    ore-tasks (0.5.0)
+      ore-core (>= 0.1.3, ~> 0.1)
+    rack (1.3.5)
+    rack-protection (1.1.4)
+      rack
+    rake (0.9.2.2)
+    sinatra (1.3.1)
+      rack (~> 1.3, >= 1.3.4)
+      rack-protection (~> 1.1, >= 1.1.2)
+      tilt (~> 1.3, >= 1.3.3)
+    tilt (1.3.3)
+    yard (0.7.4)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  bundler (~> 1.0.0)
-  json_pure (~> 1.4.0)
-  ore-core (~> 0.1.0)
-  ore-tasks (~> 0.3.0)
-  rake (~> 0.8.7)
-  rdiscount (~> 1.6.3)
-  sinatra (~> 1.0.0)
+  bundler (~> 1.0)
+  kramdown (~> 0.13)
+  ore-tasks (~> 0.4)
+  rake (~> 0.8)
   wsoc!
-  yard (~> 0.6.0)
+  yard (~> 0.7)

gemspec.yml

@@ -14,9 +14,9 @@ homepage: http://github.com/postmodern/wsoc
 has_yard: true
 
 dependencies:
-  json_pure: ~> 1.4.0
-  sinatra: ~> 1.0.0
+  json: ~> 1.4
+  sinatra: ~> 1.0
 
 development_dependencies:
-  bundler: ~> 1.0.0
-  yard: ~> 0.6.0
+  bundler: ~> 1.0
+  yard: ~> 0.7