Merge branch 'hotfix/updates'
Adding the installation step Kramdown
if variable site.logo is null then hide logo
Merge pull request #50 from ctesniere/master

Adding the installation step Kramdown and hide logo if site.logo variable is null
Adding the installation step Kramdown
if variable site.logo is null then hide logo
Remove negative margin-top when site.logo is hidden
Merge branch 'hotfix/feature-image-margin'
Merge branch 'hotfix/feature-image-margin' into develop
Add step to install Kramdown
Merge branch 'hotfix/documentation' into develop