log: Add Exit, Exitf etc.

These are equivalent to Fatal etc. except that they do not dump stacks.
Addresses a common complaint.
1 file changed
tree: ff88a8670fe235f678315b4ede0378ba88585a54
  1. LICENSE
  2. README
  3. glog.go
  4. glog_file.go
  5. glog_test.go