fix a overlap bug
connection finish
two word connection finished
poem move doing
poem move
poem move bug fixing
poem move bug fixed
connect finishing
connection finished
disconnect finished
bug fixed
not allow two overlap
super bug fixing
super bug fixed
seems no bug
bug fixed
Merge branch 'Kuan' into Kuan_Jun

able to protect/unprotect, connect/disconnect, store/restore
TODO: solve problem when connecting words with different length

Conflicts (All solved):
	cs509_cyberPoetrySlam/src/Words/controller/WordConnectionController.java
	cs509_cyberPoetrySlam/src/Words/model/Model.java
	cs509_cyberPoetrySlam/src/Words/model/Row.java
	cs509_cyberPoetrySlam/src/Words/view/ApplicationCanvas.java
	cs509_cyberPoetrySlam/src/main.java