remove backspace characters in json

[MHBauer]

I saw some escape chars coming back from /info api.

[chanwit]

ping @vieux @aluzzardi I guess putting \b is your intention somehow. I saw this in the other parts of info too.

[vieux]

@MHBauer it's on purpose, the current info output look like this:

Containers: 0
Images: 23
Role: primary
Strategy: spread
Filters: affinity, health, constraint, port, dependency
Nodes: 2
 box: 0.0.0.0:4242
  └ Containers: 0
  └ Reserved CPUs: 0 / 2
  └ Reserved Memory: 0 B / 2.038 GiB
  └ Labels: executiondriver=native-0.2, kernelversion=3.16.0-30-generic, operatingsystem=Ubuntu 
 box: 0.0.0.0:4243
  └ Containers: 0
  └ Reserved CPUs: 0 / 2
  └ Reserved Memory: 0 B / 2.038 GiB
  └ Labels: executiondriver=native-0.2, kernelversion=3.16.0-30-generic, operatingsystem=Ubuntu 14.04.2 LTS, storagedriver=aufs
CPUs: 2
Total Memory: 2.038 GiB
Name: box

if you remove the \b it becomes:

Images: 23
 Role: primary
 Strategy: spread
 Filters: affinity, health, constraint, port, dependency
 Nodes: 2
 box: 0.0.0.0:4242
  └ Containers: 0
  └ Reserved CPUs: 0 / 2
  └ Reserved Memory: 0 B / 2.038 GiB
  └ Labels: executiondriver=native-0.2, kernelversion=3.16.0-30-generic, operatingsystem=Ubuntu 
 box: 0.0.0.0:4243
  └ Containers: 0
  └ Reserved CPUs: 0 / 2
  └ Reserved Memory: 0 B / 2.038 GiB
  └ Labels: executiondriver=native-0.2, kernelversion=3.16.0-30-generic, operatingsystem=Ubuntu 14.04.2 LTS, storagedriver=aufs
CPUs: 2
Total Memory: 2.038 GiB
Name: box