Update README.md

Small update for playbook code example that uses deprecated variable syntax
Merge pull request #47 from mac2000/patch-1

Update README.md
Update README.md

Typo (instaled -> installed)
Merge pull request #48 from dalton/patch-1

Update README.md
typo

out -> our
Merge pull request #49 from dalton/patch-2

typo
templates folder should be pluralized

This is how it is done in the haproxy role at least.
Merge pull request #50 from dalton/patch-3

templates folder should be pluralized
Typo

I suppose this was a typo :)
typo

the `git`  ==>  `git`
Merge pull request #54 from oxyrox/patch-2

Fixes Yet Another Typo
Merge pull request #53 from oxyrox/patch-1

YATypo
Note that you can limit changes to a role within site.yml
Merge pull request #55 from dannyman/master

Note that you can limit changes to a role within site.yml
Fix README.md and hosts file inconsistency
Merge pull request #56 from karlo57/fix-step-09-inconsistency

Fix README.md and hosts file inconsistency
Fixed link to the list of modules
Merge pull request #57 from ekalinin/patch-1

Fixed link to the list of modules
Integrated changes from old writing branch

Picked changes for chapters 02 and 04
Merge branch 'writing' of github.com:leucos/ansible-tuto into writing

* 'writing' of github.com:leucos/ansible-tuto:
  Fixes duplicated stat socket in README.md
  Introduces facts more smoothly
  TOC and cosmetic fixes
  Update README.md
  Fixes formatting
  [wip] adds step-13 about iptables
  [wip] Writing step-13