By Piya Sinha-Roy LOS ANGELES (Reuters) - Hawaiian folk singer Jack Johnson landed his fourth No. 1 album on the Billboard 200 album chart on Wednesday, while New Zealand newcomer Lorde overtook Katy Perry and Miley Cyrus to top the digital songs chart. Johnson's "From Here to Now to You" sold 117,000 copies in its first week, according to figures from Nielsen SoundScan. It was the only album to cross the 100,000 sales mark this week. Country music singer Justin Moore debuted at No. ...