Update MultiJobBuilder.java

Changed MultiJob Builder for Folder support
Update MultiJobProject.java

Fixed MultiJobProject for Folder plugin
Update PhaseJobsConfig.java

PhaseJobsConfig fixes for Folder Plugin
Update Plugin.java

Fixes for Folder Plugin
Update MultiJobView.java
Update PhaseWrapper.java
Update column.jelly
Update MultiJobBuilder.java
Update MultiJobBuilder.java

compilation issue
Merge pull request #41 from imakowski/master

Folder support (Hierarchical jobs) for Multijob plugin