Add task :deploy to copy apps and dynamic objects to deploy_dir/bin, deploy_dir/lib

Signed-off-by: Daniel Schnell <daniel.schnell.extern@ifm.com>
RakeOE::Toolchain#build_dir now returns top level build dir including platform and release
Use RakeOE::Toolchain#build_dir when deploying
RakeOE::DEFAULT_DIRS now includes :deploy setting
deploy: use default directory if no parameter given

Signed-off-by: Daniel Schnell <daniel.schnell.extern@ifm.com>
RakeOE::init() returns Toolchain object
Remove debugging

Signed-off-by: Daniel Schnell <daniel.schnell.extern@ifm.com>
Set SYS_LFLAGS only if OECORE_TARGET_SYSROOT is set and not empty

Signed-off-by: Daniel Schnell <daniel.schnell.extern@ifm.com>
- Fix test framework includes
- Fix return value of fgrep implementation
- Raise exception if test framework include is used without exported include directory

Signed-off-by: Daniel Schnell <dschnell@skerpa.com>
- Whitespace changes

Signed-off-by: Daniel Schnell <dschnell@skerpa.com>