do not run the guard for run_all command by default

lib/guard/rails-assets.rb

@@ -38,7 +38,7 @@ module Guard
 
     def run_for? command
       run_on = @options[:run_on]
-      run_on = [:start, :all, :change] if not run_on or run_on.empty? 
+      run_on = [:start, :change] if not run_on or run_on.empty? 
       run_on = [run_on] unless run_on.respond_to?(:include?)
       run_on.include?(command)
     end

lib/guard/version.rb

@@ -1,5 +1,5 @@
 module Guard
   module RailsAssetsVersion
-    VERSION = "0.0.2"
+    VERSION = "0.0.3"
   end
 end

spec/guard/rails-assets_spec.rb

@@ -14,7 +14,7 @@ describe Guard::RailsAssets do
   end
 
   describe '#run_all' do
-    it_behaves_like 'guard command', :command => :run_all,       :run => true
+    it_behaves_like 'guard command', :command => :run_all,       :run => false
   end
 
   describe '#run_on_change' do