update slides of vis 2
Merge pull request #33 from wush978/update/vis2

update slides of vis 2
version for 8/18
Merge pull request #36 from wush978/update/version

version for 8/18
Remove Old Basic submodule.
Add new Basic submodule.
Merge pull request #41 from dboyliao/master

Hash Code and RBasic Version
Merge remote-tracking branch 'twruser/master'