Add NO_TIMESTAMP to mute the timestamp from the output

[Neilpang]

Add NO_TIMESTAMP to mute the timestamp from the output

The output for now is like:

[Tue Nov 29 00:07:58 CST 2016] Installing to /home/neil/.acme.sh
[Tue Nov 29 00:07:58 CST 2016] Installed to /home/neil/.acme.sh/acme.sh
[Tue Nov 29 00:07:59 CST 2016] Installing alias to '/home/neil/.bashrc'
[Tue Nov 29 00:07:59 CST 2016] OK, Close and reopen your .....

The timestamp prefix may be not necessary for some cases.

Add NO_TIMESTAMP to mute the timestamp from the output

[Neilpang]

@tohojo @centminmod

Please check the latest code.

Thanks.

[tohojo]

Ah, that's useful, thanks! I'll update the openwrt package and drop the patch :)

[Neilpang]

@tohojo
Yes, if you need any other help from my end, Please feel free to let me know.