added Main.java from wpi fussion
add element
model
add class model to develop
Merge branch 'Develop' of https://github.com/KuanSheng/CS509_CyberPoemSlam into Develop
add class model
modify main.java
element change R
Row and intersection and element
row to intersection
Tuesday afternoon ends
10/16
10/20_1
10/20_2
10/20_3
10/21_1
10/21_2:row ends
10/21_4
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