A Double-Blind, Randomized, Parallel, Two-Arm Phase II Trial of BMS-690514 versus Erlotinib in Previously Chemotherapy Treated Non-Small Cell Lung Cancer Patients Estudio Fase II doble ciego, aleatorizado, de grupos paralelos, de BMS-690514 frente a erlotinib en pacientes con cáncer de pulmón no microcítico previamente tratados con quimioterapia. Revised Protocol Number 01, incorporating amendment 03 + Pharmacogenetics Blood Sample Amendment 01 (version 1.0 dated 30-Jul-08) + Protocol Amendment 02 FDG-PET Sub-Study (version 1.0 dated 19-Sep-08)