Figures update
- Update I/O for general datapath;
- Draw Processing Unit internal datapath;
- Draw Interface Control timing diagram;
Merge with template latest version
Replace names with GitHub ones in history review
Update usecase with TiKz-UML pattern
Architecture specification conception
Include usecases using TiKz-UML pattern
Merge branch 'master' of https://github.com/tec499-20142/warmup