Use SVG badges in README where available

Change-Id: I1ca33f5f3ebbfe68bf1833f5a3a8c756ccf2d79a
Reviewed-on: http://gerrit.causes.com/40437
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Shane da Silva <shane.dasilva@brigade.com>
Add documentation for configuration feature

Change-Id: I7711d43d064649881987c4a8f81d3d5a029c2e61
Reviewed-on: http://gerrit.causes.com/40438
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Shane da Silva <shane.dasilva@brigade.com>