 ING111322: A Double-Blind, Randomized, Placebo-Controlled, Repeat Dose Escalation Study to Investigate the Safety, Tolerability and Pharmacokinetics of GSK1349572 Followed by A Single Dose, Randomized, 3-Period, Balanced, Crossover Study to Assess the Relative Bioavailability of Two Formulations and Food Effect on GSK1349572 in Healthy Male and Female Subjects 