removing old soft links to header files
moved IBAMR includes to include/ibamr
removing old soft links to header files in IBTK
moved IBTK includes to include/ibtk
moving inline IBTK header files to include/ibtk/private
moving inline IBAMR header files to include/ibamr/private
updating IBTK to reflect new header file layout
updating listing of header files in lib/Makefile.am
updating IBAMR to reflect new header file layout
clang-formatting
updating IBTK includes using IWYU
updating IBAMR includes using IWYU