get rid of models/captcha.php and replace with base64 captcha function.
fix problem with output buffering in `generateCaptcha()`

fixed #142
obfuscation for captch
Merge pull request #143 from r3wt/master

get rid of models/captcha.php and replace with base64 captcha function.
Merge pull request #135 from lilfade/master

Upgrade system and some other minor changes for usability
Merge pull request #147 from lilfade/master

Tiny change for install script, changed db-settings to default, fixed a dev env in config.php all should be good to go now
Merge branch 'master' of https://github.com/alexweissman/UserFrosting

Conflicts:
	models/funcs.php