dev-android: android mods to current to create dev-android branch
libstdcl: fixed android switch
libocl: do not create /var/clproc on android
build: do not build tools on android (yet)
build: updated configure
libclelf: do not use elf.h for android
libcoprthr-ax: removed deprecated use of link.h
libstdcl: do not use elf.h for android
coprthr-common: added moved headers
doc and small clean up mods
Merge branch 'dev-android' into merge

Conflicts:
	Makefile.in
	configure
	configure.in
	doc/coprthr_release_notes-1.5.1.md
	src/coprthr-common/elf_cl.h
	src/libclrpc/clrpcd.c
	src/libcoprthr/Makefile.in
	src/libocl/Makefile.in
	src/libocl/libocl.c
	tools/xclnm/Makefile.in