Move C frontend stuff to its own subdir.

--HG--
rename : dumpallocs/Makefile => frontend/c/dumpallocs/Makefile
rename : dumpallocs/Makefile.allocsites => frontend/c/dumpallocs/Makefile.allocsites
rename : dumpallocs/alloc.c => frontend/c/dumpallocs/alloc.c
rename : dumpallocs/allocstbl.cpp => frontend/c/dumpallocs/allocstbl.cpp
rename : dumpallocs/debian-build-funcs.sh => frontend/c/dumpallocs/debian-build-funcs.sh
rename : dumpallocs/debug-funcs.sh => frontend/c/dumpallocs/debug-funcs.sh
rename : dumpallocs/dumpallocs-gdb => frontend/c/dumpallocs/dumpallocs-gdb
rename : dumpallocs/dumpallocs.ml => frontend/c/dumpallocs/dumpallocs.ml
rename : dumpallocs/dumpallocsMain.ml => frontend/c/dumpallocs/dumpallocsMain.ml
rename : dumpallocs/gather-objallocs.sh => frontend/c/dumpallocs/gather-objallocs.sh
rename : dumpallocs/gather-srcallocs.sh => frontend/c/dumpallocs/gather-srcallocs.sh
rename : dumpallocs/helpers.hpp => frontend/c/dumpallocs/helpers.hpp
rename : dumpallocs/ldd-funcs.sh => frontend/c/dumpallocs/ldd-funcs.sh
rename : dumpallocs/merge-allocs.sh => frontend/c/dumpallocs/merge-allocs.sh
rename : dumpallocs/objdeps => frontend/c/dumpallocs/objdeps
rename : dumpallocs/objdumpallocs => frontend/c/dumpallocs/objdumpallocs
rename : dumpallocs/uniqtypes.cpp => frontend/c/dumpallocs/uniqtypes.cpp
rename : trumptr/Makefile => frontend/c/trumptr/Makefile
rename : trumptr/hello-cast.c => frontend/c/trumptr/hello-cast.c
rename : trumptr/hello-cast2.c => frontend/c/trumptr/hello-cast2.c
rename : trumptr/hello-err.c => frontend/c/trumptr/hello-err.c
rename : trumptr/trumptr.ml => frontend/c/trumptr/trumptr.ml
Move allocsites stuff to its own directory.

--HG--
rename : frontend/c/dumpallocs/Makefile => frontend/c/allocsites/Makefile
rename : frontend/c/dumpallocs/Makefile.allocsites => frontend/c/allocsites/Makefile.allocsites
rename : frontend/c/dumpallocs/alloc.c => frontend/c/allocsites/alloc.c
rename : frontend/c/dumpallocs/allocstbl.cpp => frontend/c/allocsites/allocstbl.cpp
rename : frontend/c/dumpallocs/gather-objallocs.sh => frontend/c/allocsites/gather-objallocs.sh
rename : frontend/c/dumpallocs/gather-srcallocs.sh => frontend/c/allocsites/gather-srcallocs.sh
rename : frontend/c/dumpallocs/helpers.hpp => frontend/c/allocsites/helpers.hpp
rename : frontend/c/dumpallocs/ldd-funcs.sh => frontend/c/allocsites/ldd-funcs.sh
rename : frontend/c/dumpallocs/merge-allocs.sh => frontend/c/allocsites/merge-allocs.sh
rename : frontend/c/dumpallocs/objdeps => frontend/c/allocsites/objdeps
rename : frontend/c/dumpallocs/objdumpallocs => frontend/c/allocsites/objdumpallocs
rename : frontend/c/dumpallocs/uniqtypes.cpp => frontend/c/allocsites/uniqtypes.cpp
rename : bin/crunchcc => frontend/c/bin/crunchcc
rename : frontend/c/dumpallocs/debian-build-funcs.sh => frontend/c/lib/debian-build-funcs.sh
rename : find-interesting-casts.sh => frontend/c/lib/find-interesting-casts.sh
rename : frontend/c/dumpallocs/debug-funcs.sh => lib/debug-funcs.sh
rename : frontend/c/trumptr/hello-cast.c => test/hello-cast/hello-cast.c
rename : frontend/c/trumptr/hello-cast2.c => test/hello-cast2/hello-cast2.c
rename : frontend/c/trumptr/hello-err.c => test/hello-err/hello-err.c
Move allocsites to toplevel. Generate full set of base type symbol aliases.

--HG--
rename : frontend/c/allocsites/Makefile => allocsites/Makefile
rename : frontend/c/allocsites/Makefile.allocsites => allocsites/Makefile.allocsites
rename : frontend/c/allocsites/alloc.c => allocsites/alloc.c
rename : frontend/c/allocsites/allocstbl.cpp => allocsites/allocstbl.cpp
rename : frontend/c/allocsites/gather-objallocs.sh => allocsites/gather-objallocs.sh
rename : frontend/c/allocsites/gather-srcallocs.sh => allocsites/gather-srcallocs.sh
rename : frontend/c/allocsites/helpers.hpp => allocsites/helpers.hpp
rename : frontend/c/allocsites/ldd-funcs.sh => allocsites/ldd-funcs.sh
rename : frontend/c/allocsites/merge-allocs.sh => allocsites/merge-allocs.sh
rename : frontend/c/allocsites/objdeps => allocsites/objdeps
rename : frontend/c/allocsites/objdumpallocs => allocsites/objdumpallocs
rename : frontend/c/allocsites/uniqtypes.cpp => allocsites/uniqtypes.cpp