- Make DocumentBuilderFactory a static instance, create DocumentBuilder synchronized.
- Disable XML validation and namespace awareness.
- Organize imports.
- Just disable validation if system property com.drinschinz.rssamantha.validatexml is set to false.
- Mention com.drinschinz.rssamantha.validatexml property.
Merge pull request #1 from tengcomplex/singleton_docbuilderfactory

Singleton docbuilderfactory