Windows: Unicode Escape Error NetworkX, pydotplus and Python 2.7

[rakhimov]

If component/project names contain paths as identifiers,
the path separator on Windows \ followed by 'U' or 'u' is interpreted as a Unicode literal
by pydotplus plotting on Windows with python 2.7.

This problem does not show up on python 3.

For the sake of consistency in the report (stable report) and testing,
use Unix path separator in Ids.