Travis support

This should provide you the bits you need in order to get started
with the free tier of Travis CI.  I also changed phpunit.xml.dist
a bit,  most of the removed lines specify built-in default values.

Strict mode is on, ensuring tests have assertations and that they
run within 1 second. SyntaxCheck was removed in PHPUnit 3.6.
Merge branch 'feature/travis-support' of git://github.com/paul-vg/krautoload into paul-vg-feature/travis-support
Merge branch 'paul-vg-feature/travis-support' into travis
Add a dummy file to trigger travis.
Only run APC test if APC is enabled.