Fix RedHat os version parsing

[ernestas-poskus]

@mhamrah @JasonGiedymin

I have found the following bug:

• os_version_major parsing

os_version_major parsing fails with

       TASK [ansible-marathon : Add mesosphere repo] **********************************
       task path: /tmp/kitchen/roles/ansible-marathon/tasks/RedHat.yml:2
       fatal: [localhost]: FAILED! => {"failed": true, "msg": "'dict object' has no attribute u'\\\\1'"}

[ernestas-poskus]

ansible facts already provides major os version

        "ansible_distribution": "CentOS", 
        "ansible_distribution_major_version": "7", 
        "ansible_distribution_release": "Core", 
        "ansible_distribution_version": "7.2.1511", 

[JasonGiedymin]

1. Increment marathon_playbook_version in defaults to the next version, I guess that would be "0.3.3".
2. Merge
3. Tag in releases

We do this with the other repos (i.e. here, not this one. Hasn't been much love around here. Lets spread it.

[ernestas-poskus]

incremented

[JasonGiedymin]

Looks good 👍

Do the honers.

[JasonGiedymin]

You👇 the merge button

[ernestas-poskus]

I don't have one :)

[JasonGiedymin]

Ah, check your email.

[ernestas-poskus]

🆒 thanks

[JasonGiedymin]

Tag it and link it here 😄

[ernestas-poskus]

for each PR or combine them into 0.3.4 (#24) ?

[JasonGiedymin]

One tag for each PR this time.

[JasonGiedymin]

Good to go