enable selection of private repositories
adapted help messages
introduced use of configuration folder
renamed matrix_distro_arch to regular_matrix
enabled non-/graphics test
enabled hardware jobs
removed checkboxes for hardware tests
hardware to build and test on can be selected from dropdown bar; only one at a time
dynamic width for dropdowns
Merge branch 'newStructure' into hardwareJobs
adapted label
changed 'release' to optionalBlock to get help message
fixed typo
Merge branch 'hardwareJobs' into newStructure
clean up and comments
updated README
fixed links
updated TODOs
added global TODO
added some plugin dependencies