Prepare for 3.0 release
Prepare for 3.0 release

Andreis13/sprockets,kappezoro/sprockets,sideci-sample/sideci-sample-sprockets,eileencodes/sprockets,guilleiguaran/sprockets,jcoyne/sprockets,rails/sprockets,maclover7/sprockets,recursecenter/sprockets,JuanitoFatas/sprockets,basecamp/sprockets,askl56/sprockets,sferik/sprockets,tricknotes/sprockets,jeremy/sprockets,prusswan/sprockets,prathamesh-sonpatki/sprockets,daniel-rikowski/sprockets,byroot/sprockets,masarakki/sprockets,orlando/sprockets,bdezonia/sprockets