update the changelog for 1.3.1

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
Fix variable name in unsupported-platform error case.
Merge pull request #128 from omcnet/fix-unsupported-platform-exception

Fix variable name in unsupported-platform error case.
created an ssh-copy-keys helper in install

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
add a helper to append contents to a file

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
allow to bypass the sudo detection in the connection obj

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
remove ssh copy keys helper from install

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
do SSH magic when running new only

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
create a local connection helper

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
a new module for SSH utilities

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
Merge pull request #129 from alfredodeza/6646

Set SSH keys automagically when running `new`
add a docs tox section

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
adding an empty dir so Sphinx is happy :/

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
Update __init__.py

 take care with scientific linux : solve:

[bb-b34-x6][DEBUG ] detect platform information from remote host
[bb-b34-x6][DEBUG ] detect machine type
[ceph_deploy][ERROR ] UnsupportedPlatform: Platform is not supported: scientific linux
Merge pull request #130 from mourgaya/master

Update __init__.py
be more lenient in correct error detection

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
Merge pull request #131 from alfredodeza/6750

be more lenient in correct error detection
default to emperor when installing

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>
Merge pull request #132 from alfredodeza/6739

default to emperor when installing
bump the changelog

Signed-off-by: Alfredo Deza <alfredo.deza@inktank.com>