improve error pages
Add license headers, favor tabs, update gitignore
Configure Spring MVC via Java Configuration
Adding Mandrill and Anteo
Merge pull request #23 from secondsun/master

* secondsun-master:
  Adding Mandrill and Anteo
Fix logging issue
Move `LocalValidatorFactoryBean` bean declaration to `Webconfig`
"Almost" eliminated `web.xml`
Add CFP FAQ
Adding pivotal
Add pricing, pictures, privacy policy, code of conduct, TW logo
Add new pictures
Upgrade `Bootstrap` to `3.3.0`
Improve responsive design
update TW logo
Adding Thompson as a sponsor