Merge travis-ci.org related changes from dev. Doesn't effect code, so I'm not bothering with a new gem version.

.travis.yml

@@ -0,0 +1,5 @@
+rvm:
+  - 1.8.7
+  - 1.9.2
+  - jruby
+  - ree

redistat.gemspec

@@ -24,6 +24,7 @@ Gem::Specification.new do |s|
   s.add_runtime_dependency 'redis', '>= 2.1.0'
   s.add_runtime_dependency 'time_ext', '>= 0.2.9'
   
+  s.add_development_dependency 'rake', '>= 0.8.7'
   s.add_development_dependency 'rspec', '>= 2.1.0'
   s.add_development_dependency 'rcov', '>= 0.9.9'
   s.add_development_dependency 'yard', '>= 0.6.3'

spec/buffer_spec.rb

@@ -119,9 +119,9 @@ describe Redistat::Buffer do
   describe "Thread-Safety" do
     it "should read/write to buffer queue in a thread-safe manner" do
       
-      # This spec passes wether thread safety is enabled or not. In short I need
-      # better specs for thread-safety, and personally a better understanding of
-      # thread-safety in general.
+      # Setting thread_safe to false only makes the spec fail with
+      # JRuby. 1.8.x and 1.9.x both pass fine for some reason
+      # regardless of what the thread_safe option is set to.
       Redistat.thread_safe = true
       
       key = mock('Key', :to_s => "Scope/labelx:2011")
@@ -150,7 +150,7 @@ describe Redistat::Buffer do
       threads.each { |t| t.join }
     end
     
-    it "should have better specs that actually fail when thread-safety is off"
+    it "should have specs that fail on 1.8.x/1.9.x when thread_safe is disabled"
     
   end