Bukkit/Spigot Plugin Compiling?

I am scratching my head as to how to compile a bukkit plugin. I need to edit a piece of its source code and have done so. But adding dependencies is confusing to me. I am in no way a coder. I am having a headache and somewhat becoming frustrated. I need to comment out one line and add a replacement line to get it to work properly on a slightly newer version of spigot.


This is the github