Ensure Java 5 compatibility.
Merge pull request #7 from skaba/master

Ensure compatibility with Java 5
Do not halt build on Cobertura failure
Implemented i18n.MustacheMessageInterceptor

This interceptor injects Lambda object to View Model that allows
easy access to default messageSource.

Based on Eric D. White's mustache.java-spring-webmvc implementation.
Allow referencing segments directly

Fix with prefix and suffix only if direct path is unavailable.
Option to parse key inside with Mustache parser

It makes possible to use context variables to store message keys, like:
{{#i18n}}{{message}}{{/i18n}}