[example.c] Add sample linker script
Signed-off-by: Anton D. Kachalov <mouse@yandex-team.ru>
[hexbuf] Add HEXBUF_enableFlashing(). Check for "-1" addr in HEXBUF_start()
Signed-off-by: Anton D. Kachalov <mouse@yandex-team.ru>
[.cproject] Exclude `examples' directory from the build.
Signed-off-by: Anton D. Kachalov <mouse@yandex-team.ru>