Merge pull request #6 from ne0ark/master

Add guide about how to install OpenVPN Access Server on Ubuntu 14.04
Fix presentation in a guide
Create guide about bash issue
Add information about bash compilation
Change piwik settings
Improve categories
Increase paragraphs readability

Add margins between the paragraphs of the kb content

Signed-off-by: Vincent Giersch <vincent.giersch@ovh.net>
Merge pull request #9 from gierschv/fix/p-margin

Increase paragraphs readability
Create guide about SSH keys
Update README
add sailabove's guides
Merge pull request #10 from yadutaf/wip-sailabove

First round of docker guides
change title design for kb
Edit design of tutorials list
Change footer links
Merge branch 'master' into title
Create guide about power8
Merge branch 'master' of github.com:runabove/knowledge-base
Merge remote-tracking branch 'upstream/master'