tests: fixed return stati of path tests
tests: fixed running builder test including return state
tests: enabled coloring of test messages
tests: showing list of available tests implemented
tests: made test announcement green
util/path: relpath also makes nonsmpaths relative now
util/path: implemented smroot prefixing function
tests/path: created testcases for relpath(non-smpath)
builder: fixed path problems for non-. smroot
tests: create target as base for a relative source path
builder: fixed some more path issues
builder: reverted usage of forced smroot prefix
tests: printing detailed order view enabled