Changed version on cmakelist and install.py

    message(STATUS "LATTE not found - we will build our own")

    include(ExternalProject)

    ExternalProject_Add(latte_build

      URL https://github.com/lanl/LATTE/archive/v1.1.1.tar.gz

      URL https://github.com/lanl/LATTE/archive/v1.2.0.tar.gz

      URL_MD5 cb86f1d2473ce00aa61ff6a023154b03

      SOURCE_SUBDIR cmake

      CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=<INSTALL_DIR> -DCMAKE_POSITION_INDEPENDENT_CODE=${CMAKE_POSITION_INDEPENDENT_CODE}

Syntax from src dir: make lib-latte args="-b"

                 or: make lib-latte args="-p /usr/local/latte"

                 or: make lib-latte args="-m gfortran"

                 or: make lib-latte args="-b -v 1.1.1"

                 or: make lib-latte args="-b -v 1.2.0"

Syntax from lib dir: python Install.py -b

                 or: python Install.py -p /usr/local/latte

                 or: python Install.py -m gfortran

                 or: python Install.py -v 1.1.1 -b

                 or: python Install.py -v 1.2.0 -b

specify one or more options, order does not matter

# settings

version = '1.1.1'

version = '1.2.0'

# print error message or help