awkward use of path.join

[pdehaan]

1. /test/run/signer_tests.js#L8
   var signer = new CC({ module: path.join(__dirname, '../signer-stub.js')})
2. /test/run/verification_tests.js#L12
   process.env.CONFIG_FILES = path.join(__dirname, '../config/verification.json')

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We should probably do something like so:

1. var signer = new CC({ module: path.join(__dirname, '..', 'signer-stub.js')})
2. process.env.CONFIG_FILES = path.join(__dirname, '..', 'config', 'verification.json')

[dannycoates]

not broken, not improved readability, and good enough for the node docs http://nodejs.org/api/path.html#path_path_join_path1_path2

wontfix