Add quotes to command arguments

Summary:
The purpose of this commit is that without quote, if variable contains
characters meaningful for shell, such as space, '$', ';' they are
interpreted. The quoting avoid this interpretation.

Reviewers: dereckson, Sandlayth

Subscribers: Sandlayth, Nasqueron Docker deployment squad

Tags: Docker images

Differential Revision: https://devcentral.nasqueron.org/D603