SailAbove: How yo boot from Docker Hub
Merge pull request #21 from gierschv/sailabove/ext-repos

SailAbove: How yo boot from Docker Hub
SailAbove Docker Hub: easier to provide original docker hub url
Merge pull request #22 from gierschv/sailabove/ext-repos

SailAbove Docker Hub: easier to provide original docker hub url
Post: How to install the Codebox IDE on Ubuntu 14.04
Merge pull request #23 from DrOfAwesomeness/post/codebox-ide

Post: How to install the Codebox IDE on Ubuntu 14.04
Modify layout of Codebox guide
fix typo

Signed-off-by: Jean-Tiare LE BIGOT <jean-tiare.le-bigot@ovh.net>
Merge pull request #24 from yadutaf/master

fix typo
Fix typo in footer