changed to prop_cycler for matplotlib 1.5 support
changed to prop_cycler for matplotlib 1.5 support

Cortexelus/librosa,carlthome/librosa,r9y9/librosa,ruohoruotsi/librosa,carlthome/librosa,ruohoruotsi/librosa,craffel/librosa,carlthome/librosa,Cortexelus/librosa,stefan-balke/librosa,Cortexelus/librosa,craffel/librosa,craffel/librosa,stefan-balke/librosa,stefan-balke/librosa,r9y9/librosa,r9y9/librosa,ruohoruotsi/librosa