Merge pull request #1 from horros/master

Backwards compatible support for FirePHP 1.0
Tweaked the README for github
This time actually commit the modifications..
tweak syntax hilight
add logging instructions to README
add DeveloperCompanion instructions to README
Bumbed FirePHPCore to 0.3.2
Removed AdtDebugFilter::executeOnce because of Agavi 1.1 deprecation