Upgrade Ruby to version 1.9.3-p385

Change-Id: I2fb14324fb555cfd47e5016a71e2d0753d141d16
Updated Ruby gems

Change-Id: I7bd03a695f7e694b1505cb95a40e3216d95e42c0
Merge "Updated Ruby gems"
Merge "Upgrade Ruby to version 1.9.3-p385"