Added new coursework, cleaned up structure

OSU Coursework/ROB 456 - Intelligent Robotics/Homework 3 - Part 1 - Occupancy Grids/CMakeLists.txt

@@ -0,0 +1,19 @@
+cmake_minimum_required(VERSION 2.8.3)
+project(rob456_hw3)
+
+## Find catkin macros and libraries
+## if COMPONENTS list like find_package(catkin REQUIRED COMPONENTS xyz)
+## is used, also find other catkin packages
+find_package(catkin REQUIRED COMPONENTS
+  gmapping
+  nav_msgs
+  roscpp
+  rospy
+  stage_ros
+)
+
+catkin_package()
+
+include_directories(
+  ${catkin_INCLUDE_DIRS}
+)