Merge pull request #35 from vivekkhokhar/master

kicker-2.5.0 spin push compatibility

bin/spin

@@ -195,7 +195,20 @@ def push
   # bit will just be ignored.
   #
   # We build a string like `file1.rb|file2.rb` and pass it up to the server.
-  f = files_to_load.select { |f| File.exist?(f.split(':')[0].to_s) }.uniq.join(SEPARATOR)
+  f = files_to_load.collect do |f|  
+    f = f.split(':')[0].to_s
+    if File.exist?(f)
+      f    # default behavior
+    elsif File.extname(f).length == 0 #file without extension
+      f = "#{f}.rb" # try .rb extension
+      if File.exist?(f)
+        f    
+      else 
+        nil #fallback to default behavior
+      end  
+    end  
+  end.compact.uniq.join(SEPARATOR)
+
   abort if f.empty?
   puts "Spinning up #{f}"