add comment about with non-rails projects (fixes #21)
add comment about with non-rails projects (fixes #21)

grosser/timecop,ducthanh/timecop,rednovalabs/timecop,7091lapS/timecop,kidaa/timecop,7091lapS/timecop,backupify/timecop,grosser/timecop,backupify/timecop,travisjeffery/timecop,rednovalabs/timecop,ducthanh/timecop