base/install: do not install unit-agent twice :)

Also ensuring that /etc/circus belongs to ${USER}
utils/circus.ini: disable procfile_watcher
static: use default Procfile instead of customizing circus.ini
php: use default Procfile instead of customized circus.ini
cordova: use default Procfile instead of customizing circus.ini
base/install: install tsuru-unit-agent globally

Actually, I'm dumb. Sorry about that.
static: fix permissions and nginx configuration
cordova: fix installation
php/setup: remove copy call to circus.ini
cordova: remove setup file
php/setup: fixing permissions for running apache2
php/setup: remove useless mkdir call

We don't need it anymore.
buildpack: fix platform
Fixes access to apache2 logs
Merge pull request #58 from sroze/fixes-log-access

Fixes access to apache2 logs
tests/platforms: trying to properly detect failures on platform-add