spell out the name of the super's is_applicable
spell out the loading of directories as single functions
spell out the order of the tests in code
simplify statements a bit
port the easy is_applicables with a script
port the complexer is_applicables
refactor the regression tests
group the x11 tests
correctly cascade the bootloader tests
rename the directories to avoid the .d suffix

that is pretty pointless for directories
fix typo in tests directory name
Merge pull request #150 from os-autoinst/coolo_refactor_is_applicable

Refactor is_applicable
Merge branch 'master' into sle12

Conflicts:
	inst.d/018_addon_products.pm
	tests/installation/addon_products.pm
	tests/installation/bootloader.pm
	tests/installation/start_install.pm