Added a checked square macro; sorted out some layout issues; fixed a typo blank

Signed-off-by: Xiaofeng QU <xiaofeng.qu.hk@ieee.org>
Merge branch 'master' of github.com:quxiaofeng/polyu-comp-research-proposal-template
merge

Signed-off-by: Xiaofeng QU <xiaofeng.qu.hk@ieee.org>