moved config from dist file to use environment variables to work with easybib deployments
Change: shorten environment variables
Fix: spellllliiiing
Enhancement: return oauth.php when available

 * creating oauth.php allows ppl to make local modifications
 * fall back to oauth.php-dist otherwise
Merge branch 'master' into topics/deployment-ready
Enhancement: realpath() to resolve it

 * makes for easier to read error messages
Fix: add '/' to path to config file
Enhancement: since oauth.php-dist and oauth.php can be used, we should include the file in the error message
Fix: file is called .dist not -dist
Fix: relax exception message since it's variable now
Enhancement: update all the symfonies
Merge pull request #5 from easybiblabs/topics/deployment-ready

topics/deployment-ready