Line-ending rules for qcubed sourcebase are specified

The sample was obtained here: https://help.github.com/articles/dealing-with-line-endings
Normalize line endings for the issue #107

The instruction was obtained here: https://help.github.com/articles/dealing-with-line-endings
in a "Re-normalizing a repo" part.
Merge pull request #154 from olegabr/bug-107

Fixes the #107 issue