build: added --enable-user-install for install without root permission
libcoprthr-e: mods for updated eSDK API
libcoprthr-e: fixed regression issues with updated eSDK API mods
build: added --enable-old-esdk configure option
test: reduce size of test arrays for EMEK
build: advanced version to 1.5.1
libcoprthr-e: more fixes that reconcile mods for new eSDK API
libcoprthr-e: more fixes that reconcile mods for new eSDK API
doc: updated documentation for v1.5.1
build: updated version info to 1.6-CURRENT (Freewill) development
libclrpc: removed debugging output
libstdcl/tools: mods for wrap clelf and kv8 code gen options

wrap clelf option (-j) for clcc/clld allows embedded kernels for FreeBSD.
kv8 code gen option (-k) allows strong kernel symbol binding, removes
all management of OpenCL kernel objects.
libstdcl: added clexec() call eliminating OpenCL kernel management