Trivial changes to true up relative to original enabled-cache branch.
Fixed return bug in unit_file_get_list.
Modified hard-coded paths in test-install
Added root_dir command line parameter to test-install.
Replaced lennart home directory path.
Merge remote-tracking branch 'origin/improved-test-install' into enabled-cache2

Conflicts:
	src/test/test-install.c
Refactored enabled context filling code.
Fixed test-install merge issue.
Compiles and runs test-install.  Need to validate edge cases.