tests: test-patchbomb.t cleanup
Let commit messages and file names describe the facts without making incorrect
guess of the actual handling of it.
tests: show actual output in test-patchbomb.t
Drop fixheader and decode base64 encoded content and show non-ascii content.
tests: test findexe() access check fixed in
58f96703a9ab
check-code: fix return code initialization
Don't crash when nothing is tested, but return failure when other files than
the last one fails.
tests: make test-commandserver.py independent of line ending and slash direction
tests: 'hghave unix-permissions' for test-import.t
'hg import' of a patch with mode changes requires unix permissions support in
the file system.