pass: Make include directory containing the exported header files

pass: Make include directory containing the exported header files

Existing *.[ch] files uses the following type in order to include
the header file which is located in the outside directory. But it is
not proper method for including the header file.
- #include "core/*.h:

Make 'include' directory containing the all exported header files
and move the exported header files under 'include/' as following:
- src/core/*.h   -> include/pass/log.h
- src/shared/*.h -> include/pass/*.h
- src/hal/hal.h  -> include/pass/hal/hal.h

Change-Id: I68f6ad4c711b50a1d48bee3785d5657a8b58c963
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>