- cleanup: remove use of local ReadFile in favor of io.ReadFile - don't show p4 sync output if -verbose is not set
- cleanup: remove use of local ReadFile in favor of io.ReadFile
- don't show p4 sync output if -verbose is not set

R=rsc
DELTA=25  (5 added, 15 deleted, 5 changed)
OCL=29962
CL=29962
abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go