test for branch
add class model
test
overlap in word
word controller
add word move controller
update view module
add wordType
add WordMoveController and modify Word
small modify
test fail 1.0
draw word finished
move doing
if overlap, word will be sent back to oringinal location.
Merge remote-tracking branch 'remotes/origin/Kuan' into Jun

Conflicts:
	cs509_cyberPoetrySlam/src/Words/controller/WordController.java
added constructor in Element class. Called super( ) in Poem and Word's constructors. Added ModifiedElements to represent elements destroyed/generated during operations--but not used yet. Added some functions in Poem, but some remain to be further modified--Jun