##To configure intelliJ IDEA IDE for PSL project:
Download and install intelliJ from https://www.jetbrains.com/idea/#chooseYourEdition
Open IntelliJ IDEA
File -> new -> Project -> Select "Maven" from left panel
On the right side of the window, choose Project SDK (java version 1.8.*)
Click checkbox "Create from archetype", and then click "Add Archetype..."
In "Add Archetype" Window that appeared, fill in the following and click ok
GroupId: edu.umd.cs
ArtifactId: psl-archetype-groovy
Version: 1.2.1
Respository(optional): https://scm.umiacs.umd.edu/maven/lccd/content/repositories/psl-releases/
Choose the new archetype that's been added: edu.umd.cs:psl-archetype-groovy, click next
Fill "edu.ucsc" in GroupId and "cancer" in ArtifactId, click next
Do nothing at the next window, click next
Fill "intelliJ-psl" in Project name, click Finish
In the intelliJ project window, right click on project name ("IntelliJ-psl"), click "Add Framework Support..."
Check the checkbox next to "Groovy", click OK