Sergey Filippov

#727: Normalize readme entry path prior to extraction

2

Readme node path is now linux ready. * Used PathUtility to prepare the path to a readme to be linux compatible Fixing issue: https://github.com/loic-sharma/BaGet/issues/727

Normalize readme entry path prior to extraction

6

### The packages with "\\" character in readme node cannot be pushed to BaGet on Linux. Similar to the issue #517 it is impossible to push a package with "\\"...