Merge branch '113-minor-testsummary.sh-improvements' into 'master'

Minor testsummary.sh improvements (handling colored output, failure summary)

Closes #113

See merge request !80
4 jobs for master in 11 minutes and 10 seconds (queued for 22 seconds)
Status Job ID Name Coverage
  Build
passed #2611
linux docker
build:debian:sid:amd64

00:05:02

passed #2612
linux docker
build:debian:sid:i386

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  Test
passed #2613
linux docker
test:debian:sid:amd64

00:05:36

passed #2614
linux docker
test:debian:sid:i386

00:05:37