Continuous Integration with Travis CI

[GochoMugo]

Travis CI offers free CI services for Open Source projects. It relies on build configuration specified in a .travis.yml file in the root of the repository. See Getting Started with Travis CI.

Some minor changes to the source files have made, notably:

• Reading Port number from environment returns it as a string. We require to convert it to an integer when calling MySQLdb.Connect — 9a97d5a
• A new Makefile target, reqs, allows manual installation of requirements such as MySQL-python. The requirements are stated per line in the requirements.txt file — 4850793
• We only ignore the *.yml files in the tests/ directory.

After merge, you may want to include a build status image in the README.md

[firstprayer]

Can you add some introduction in the README.md about this travis integration and how to set it up?