Update Travis Configuration.

* Do not install python-safe. We will not maintain python-safe anymore.
* We do not need flake8 at the moment.

Signed-off-by: Akbar Gumbira <akbargumbira@gmail.com>
Address Pep8 Violation

This will address Pep8 violation warning on running *make quicktest*

Signed-off-by: Akbar Gumbira <akbargumbira@gmail.com>
Update Makefile

Delete some references or make related to safe_qgis package.

Signed-off-by: Akbar Gumbira <akbargumbira@gmail.com>
Update Travis Configuration.

Run make pep8 and make pylint before running tests.

Signed-off-by: Akbar Gumbira <akbargumbira@gmail.com>
Address Pylint Violation.

Fix some Pylint violation that we get when running *make pylint*

Signed-off-by: Akbar Gumbira <akbargumbira@gmail.com>
Merge pull request #1447 from akbargumbira/fix_travis

Update Travis Configuration