add oneTimeSetUp
push fails on install python-software-properties

compile aborts in error due to confirmation being missing.
add software-properties-common
grep fix missing target
Preserve ENV for REDIS_URL
Abort buildpack if no environment
cleanup test directory
prevent add-apt-repository from printing info on STDERR
disable package upgrade for now
add AUTHORS file
set travis ruby version
try to fix build on drone.io
removed upgrading packages
debug mode
Fail early on app create

When supporting services are not present there is no point in going through the paces only to fail.
Sync git uid and gid with host

Create a git user on the host and sync the gid and uid with the git user of the the app.l