vagrant: use trusty basebox
update
php-pear: fix channel for PHP_CodeBrowser
puppet: fix wp dir dependency
WP phpcs sniffs: check existence to allow multiple puppet runs
apache2.4 config changes

- new ubuntu pkg requires *.conf filenames
- renamed conf.d to conf-enabled
- RewriteLog was removed, cf.  http://httpd.apache.org/docs/2.4/mod/mod_rewrite.html#logging
apache2.4: changed auth config
Merge pull request #63 from DECK36/trusty

use Ubuntu Trusty (14.04) with PHP 5.5