Issue #75: Make Reportal output & mail temp directory retention times configurable. Also commented out Reportal properties with default values and added the default values to the Reportal properties files
Merge branch 'master' of github.com:azkaban/azkaban-plugins into shorten-output-retention
Made default clean and retention intervals static final variables
Merge pull request #76 from Erwa/shorten-output-retention

Issue #75: Make Reportal output & mail temp directory retention times configurable. Also commented out Reportal properties with default values and added the default values to the Reportal properties files