Updating Rakefile to compress files in the proper order

.gitignore

@@ -0,0 +1 @@
+ajax-solr.min.js

Rakefile

@@ -5,14 +5,30 @@ desc 'Compress all JavaScript files'
 task :compress do
   output_file = ENV.include?('output') ? ENV['output'] : 'ajax-solr.min.js'
 
+  core = [
+    'Core',
+    'AbstractManager',
+    'ParameterStore',
+    'AbstractWidget',
+    'AbstractFacetWidget'
+  ]
+
+  dirs = [
+    'core',
+    'helpers',
+    'managers',
+    'widgets'
+  ]
+
   File.open(output_file, 'w') do |output|
     compressor = YUI::JavaScriptCompressor.new(:munge => true)
-    files = Dir['**/*.js']
-    files.each do |file|
-      next if file == output_file
-      puts "Compressing #{file}"
-      input = ''
-      File.open(file, 'r') { |f| input = f.read }
+
+    files = core.map{ |name| "core/#{name}.js" } + dirs.map{ |dir| Dir["#{dir}/**/*.js"] }.flatten
+    files.uniq!
+
+    files.each do |file_name|
+      puts "Compressing #{file_name}"
+      input = File.open(file_name, 'r') { |f| f.read }
       output.write(compressor.compress(input))
     end
   end