Remove eter_pool.
Add memory.h - a global header which defines Tarantool memory layout

Fix C++ compile error of libsmall.
Remove bogus assert() redefinition (why would anyone do such a thing?)
Link tarantool_box with libsmall.
Move box configuration file to cfg/ and simplify config file generation.
Merge branch 'master' of github.com:tarantool/tarantool

Conflicts:
	src/box/box_cfg.cfg_tmpl