Windows: time stamps don't print correctly in RKE command line output

[sheng-liang]

RKE version: 0.1.7-rc1

Docker version: (docker version,docker info preferred)

Operating system and kernel: (cat /etc/os-release, uname -r preferred) Windows 10

Type/provider of hosts: (VirtualBox/Bare-metal/AWS/GCE/DO) AWS

cluster.yml file:

Steps to Reproduce:
In Windows cmd console
Run rke up cluster.yml to bring up cluster

Results:
The time stamps don't print correctly because Linux-style terminal control does not work

�[36mINFO�[0m[0051] Kubernetes images pulled successfully
�[36mINFO�[0m[0051] [etcd] Building up etcd plane..
�[36mINFO�[0m[0051] [etcd] Pulling image [rancher/coreos-etcd:v3.1.12] on host [18.191.69.209]
�[36mINFO�[0m[0053] [etcd] Successfully pulled image [rancher/coreos-etcd:v3.1.12] on host [18.191.69.209]
�[36mINFO�[0m[0053] [etcd] Successfully started [etcd] container on host [18.191.69.209]
�[36mINFO�[0m[0054] [etcd] Successfully started [rke-log-linker] container on host [18.191.69.209]
�[36mINFO�[0m[0054] [remove/rke-log-linker] Successfully removed container on host [18.191.69.209]
�[36mINFO�[0m[0054] [etcd] Pulling image [rancher/coreos-etcd:v3.1.12] on host [18.219.80.138]
�[36mINFO�[0m[0058] [etcd] Successfully pulled image [rancher/coreos-etcd:v3.1.12] on host [18.219.80.138]

[cjellick]

@loganhz please assign a dev to validate the isue

[loganhz]

Verified in 0.2.0-rc8.
The time stamps print correctly in windows