Old tags are not clear and difficult to understand, so modify them and make them more clear. Signed-off-by: Ningx Zhao <ningx.zhao@intel.com>
add a new testcase to: Verify some operations of rbree are running in logarithmic time. Verify an user defined structure contains rbtree node works. verify "for each"style APIs work. Signed-off-by: Ningx Zhao <ningx.zhao@intel.com>