Environment must accessed using privileged action
Filesystem must accessed using privileged action
Closes #591, more info about exception handler
Using NotNull because NotEmpty isn't part of Java EE spec
Adding info about flush when using ORM tools
Syntax highlighting to ClienteJaExisteException
Merge pull request #620 from caelum/ot-gh591-docs-exhandler

Adding more info about exception handler
Removing comma
Info about flush (PT)
Info about flush (EN)
Merge pull request #621 from caelum/ot-validationdocs

Improving docs about validation
Some docs improvements
Fixing layout
Ignoring debug files
Fixing resource lookup under Wildfly
Merge pull request #623 from caelum/ot-beansxmlcheckwildflyfix

Fixing resource lookup under Wildfly
implementing the java8-vraptor4 cookbook
changing title and adding in cookbook menu
Fixing beans.xml filename
Merge pull request #601 from caelum/ot-securedomain

Supporting secure domains