Line-endings not configurable

[ben-edna]

When fetching a git repo or an svn repo on windows, the contents is the same, except for the line endings.
The user has no direct control.

[spoorcc]

This issue also manifests itself when adding a project on windows with CRLF and checking for changes or updating on linux with CR. Then the calculated hash differs. This results in DFetch showing local changes during a check.

[spoorcc]

Related to #1260