Update CMakeLists.txt

[nakai-omer]

Fix build issue with glog missing:

CMake Error at CMakeLists.txt:51 (add_library):
  Target "nvblox_ros_lib" links to target "glog::glog" but the target was not
  found.  Perhaps a find_package() call is missing for an IMPORTED target, or
  an ALIAS target is missing?


CMake Error at CMakeLists.txt:51 (add_library):
  Target "nvblox_ros_lib" links to target "glog::glog" but the target was not
  found.  Perhaps a find_package() call is missing for an IMPORTED target, or
  an ALIAS target is missing?


CMake Error at CMakeLists.txt:84 (add_executable):
  Target "nvblox_node" links to target "glog::glog" but the target was not
  found.  Perhaps a find_package() call is missing for an IMPORTED target, or
  an ALIAS target is missing?


CMake Error at CMakeLists.txt:84 (add_executable):
  Target "nvblox_node" links to target "glog::glog" but the target was not
  found.  Perhaps a find_package() call is missing for an IMPORTED target, or
  an ALIAS target is missing?


CMake Error at CMakeLists.txt:89 (add_executable):
  Target "3dmatch_node" links to target "glog::glog" but the target was not
  found.  Perhaps a find_package() call is missing for an IMPORTED target, or
  an ALIAS target is missing?


CMake Error at CMakeLists.txt:89 (add_executable):
  Target "3dmatch_node" links to target "glog::glog" but the target was not
  found.  Perhaps a find_package() call is missing for an IMPORTED target, or
  an ALIAS target is missing?

Also added install and log directories to .gitignore

[nakai-omer]

Updated PR to also add it to nvblox_performance_measurment, as without it you get the following:

--- stderr: nvblox_performance_measurement                                 
CMake Error at CMakeLists.txt:54 (add_executable):
  Target "results_collector_node" links to target "glog::glog" but the target
  was not found.  Perhaps a find_package() call is missing for an IMPORTED
  target, or an ALIAS target is missing?


CMake Error at CMakeLists.txt:54 (add_executable):
  Target "results_collector_node" links to target "glog::glog" but the target
  was not found.  Perhaps a find_package() call is missing for an IMPORTED
  target, or an ALIAS target is missing?


CMake Error at CMakeLists.txt:68 (add_executable):
  Target "nvblox_performance_measurement_node" links to target "glog::glog"
  but the target was not found.  Perhaps a find_package() call is missing for
  an IMPORTED target, or an ALIAS target is missing?


CMake Error at CMakeLists.txt:68 (add_executable):
  Target "nvblox_performance_measurement_node" links to target "glog::glog"
  but the target was not found.  Perhaps a find_package() call is missing for
  an IMPORTED target, or an ALIAS target is missing?