V1 of Rendler Executors in Java

V1 of Rendler Executors
Update of Rendler Java

Update executors to have main methods.  Include scheduler and rendler
main.
Updates to CrawlExecutor
Updated scheduling
Updated scheduler to include edge mapping
fix indentation
Crawling and rendering are now implemented
Update java render code
Use new formatter
Merge pull request #10 from elingg/master

Java Render Implemented