implementation of grid view methods
Merge pull request #5 from zhaozheid/master

update
repair the javadoc
javadoc creation
Merge pull request #24 from joeyzhang1989/master

repair javadoc
Documentation javadoc and code optimization
smallchanges
changes
changes
spellingmistake
commenting
Merge branch 'zz_local'

Conflicts:
	src/com/soen6441/core/map/MapPoint.java
	src/com/soen6441/ui/map/cell/ScenaryCell.java
	src/com/soen6441/ui/scene/PlayingScene.java
Resolve Conflictions
Commit include
1) Full implementation of class PlayManager
2) minor change in map xml structure
3) addition of jaxen.jar in class path due to the use of Xpath feature
of dom4j.

Note: jaxen.jar is located in lib folder of don4j direactory.
New Diagrams, Path Manager, Path Validator

New Diagrams, Path Manager, Path Validator
Dom jar conflict solved

Dom jar conflict solved
Merge branch 'master' into zz_local