Changes

Set locale to fix yamlllint
Attempting to fix;
``` 21:16:00 Traceback (most recent call last): 21:16:00 File
"/usr/local/bin/yamllint", line 11, in <module> 21:16:00 sys.exit(run()) 
21:16:00 File "/usr/local/lib/python3.5/dist-packages/yamllint/cli.py",
line 170, in run 21:16:00 problems = linter.run(f, conf, filepath) 
21:16:00 File
"/usr/local/lib/python3.5/dist-packages/yamllint/linter.py", line 233,
in run 21:16:00 content = input.read() 21:16:00 File
"/usr/lib/python3.5/encodings/ascii.py", line 26, in decode 21:16:00
return codecs.ascii_decode(input, self.errors)[0] 21:16:00
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position
123522: ordinal not in range(128) 21:16:00 Build step 'Execute shell'
marked build as failure
```
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>