use string for excludeFromBackup label

See merge request !24

implement deploymentRevisionHistoryLimit

See merge request !23

for successfulBuildsHistoryLimit and failedBuildsHistoryLimit
we set the default to 2 (openshift uses 5)

to control the revisionHistoryLimit of the deployment config.
The default is 3 (the openshift default is 10)

implement excludeFromBackup for volumes

See merge request !22

Fix buildsecret

See merge request !21

Service ports

See merge request !20

add routePort option

See merge request !19

to be able to switch to a different port

add setup for workers

See merge request !18

move helpers into dedicated folders

See merge request !17

use bats for tests

See merge request !16

add cronjob config

See merge request !15

add build args

See merge request !14

setup templates folder based

See merge request !13