Add note on weird compile issue in IntelliJ

Author: Col-E

pom.xml

@@ -90,6 +90,10 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
+                <!-- When attempting to compile on higher Java versions, you may encounter
+                     some issues with Unsafe. In Intellij unset the 'use -release' under the
+                     javac compiler page and it'll happily compile once again
+                     -->
                 <configuration>
                     <source>1.8</source>
                     <target>1.8</target>