Revert "Revert back to taskList naming in Config.java"
Revert "Revert back to taskList naming in Config.java"

This reverts commit 5b4a4e2075df2e7aec66d4db99037cdd47eab393.

CS2103JAN2017-T16-B4/main,CS2103JAN2017-T16-B4/main