This commit converts the paths provided by the user with the
command line to absolute paths. The effected arguments are:
* --root
* --target-dir
* --bundle-dir
This supersedes and fixes#271
This commit changes the copy command of the result bundle task. Now
instead of creating hardlinks a relugar copy is performed. This way
we ensure that the bundled files will not be modified by
overwritting a linked file.
nose is no longer maintained, thus we have to move to another
testing system. This commit updates the tox setup and all tests
to use pytest instead of nose.