Fix pip install of tox on debian like OS's

Change-Id: I799e485211f045ddba351b2267f3c052b7fa21c9
Added configuration option for admin role

Change-Id: I66b8d3c2639333c52db2fe4fbea335a7850ffaf6
Added missing packages for Debian like OS's

Added the missing MySQL and PostgreSQL development packages.

Change-Id: Ia53e7f5b6840fe29df27eddb75c295f61a16df3f
Merge "Fix pip install of tox on debian like OS's"
Merge "Added missing packages for Debian like OS's"