HADOOP-4146: Added Test Run feature to Reportal
Merge branch 'master' of github.com:azkaban/azkaban-plugins
HADOOP-4152: Reportal: Add a View All results page
Moved fetching the file previews into a separate method
Fix for Issue #46: Reportal: We should validate the user names entered in the viewer/owner/executor access lists when saving
Fixed indentation of code I added in previous commit; Added a null check and removed a .trim()
Refactored null check and .trim() application to make code more readable
Merge pull request #45 from Erwa/master

Added Test Run feature, View All results page, fix for Issue #46 (validate users in access lists)