#NA - Adding a test to verify non UTF-8 character file names

Adding a test to verify the presence of non UTF-8 character filesname while MDU polls a repository. After this, we can remove the file named '乔梁.txt' from the root of the repository.
Merge remote-tracking branch 'upstream/master'
Merge pull request #143 from sachinsudheendra/master

#NA - Adding a test to verify non UTF-8 character file names