add rake to dev dependencies, add travis-ci status to readme

README.md

@@ -156,3 +156,7 @@ HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 OTHER DEALINGS IN THE SOFTWARE.
+
+----
+
+[![Build Status](http://travis-ci.org/javan/whenever.png)](http://travis-ci.org/javan/whenever)

whenever.gemspec

@@ -15,8 +15,11 @@ Gem::Specification.new do |s|
   s.test_files    = `git ls-files -- test/{functional,unit}/*`.split("\n")
   s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
   s.require_paths = ["lib"]
+  
   s.add_dependency "chronic", ">= 0.4.3"
   s.add_dependency "activesupport", ">= 2.3.4"
+  
   s.add_development_dependency "shoulda", ">= 2.1.1"
   s.add_development_dependency "mocha", ">= 0.9.5"
+  s.add_development_dependency "rake"
 end