Merge pull request jlong#20 from lsirivong/master

--watch Rake Task fix

Rakefile

@@ -46,7 +46,7 @@ task :build => [BOOTSTRAP_CSS, BOOTSTRAP_MIN_CSS, BOOTSTRAP_RESPONSIVE_CSS, BOOT
 
 desc "rebuild regular version of bootstrap when modifications are made"
 task :watch do
-  sh "expanded --watch lib/bootstrap.scss:#{BOOTSTRAP_CSS}"
+  sh "#{SASS_COMMAND} expanded --watch lib/bootstrap.scss:#{BOOTSTRAP_CSS}"
 end
 
 task :default => :build