Make app/generator/generate.php more portable

The former way the php executable was searched just in /opt/local/bin.

Now, it is searching all user's environment for that.

Source: http://www.cyberciti.biz/tips/finding-bash-perl-python-portably-using-env.html
Signed-off-by: Rogerio Prado de Jesus <rogeriopradoj@gmail.com>
Create phpunit.xml.dist

Signed-off-by: Rogerio Prado de Jesus <rogeriopradoj@gmail.com>
Create .travis.yml

Signed-off-by: Rogerio Prado de Jesus <rogeriopradoj@gmail.com>
Include travis-ci badge in README

Signed-off-by: Rogerio Prado de Jesus <rogeriopradoj@gmail.com>
Change assertType by assertInstanceOf in Configuration_Test

Signed-off-by: Rogerio Prado de Jesus <rogeriopradoj@gmail.com>
Skip Configuration_Test::testIfRequiredOptionsThrowsExceptions()

Signed-off-by: Rogerio Prado de Jesus <rogeriopradoj@gmail.com>
Change REQUEST_URI by PATH_INFO to match Router.php definitions

Signed-off-by: Rogerio Prado de Jesus <rogeriopradoj@gmail.com>
Skip all erred/failed tests in Tools_Util_Router_Test.php

Signed-off-by: Rogerio Prado de Jesus <rogeriopradoj@gmail.com>
Merge pull request #20 from rogeriopradoj/fix-test-errors

WIP - Fix test errors
Merge pull request #18 from rogeriopradoj/portabilize-generator

Make app/generator/generate.php more portable