fix bug add included in task description
date changed to DateTime from joda-time
changed to joda-time DateTime format
Merge branch 'master' into xjy-parser

Conflicts:
	src/application/Controller.java
priority Indicator will base on the information provided by Task Class and container height will depends on the content length
external storage name can be specified rather than default
remove the 'F' and 'T' till further notice
DataStorage now deals with DateTime properly
fixed bug: arrow keys is disabled after each deletion.
added JUnit testing
ensuring that all component are created when the UI is loaded.
added unit testing for UIComponent
changes added
merge with master
Merge remote-tracking branch 'origin/sun-defcoding'
Merge remote-tracking branch 'origin/xjy-parser'
Merge remote-tracking branch 'origin/hyungjon-datastorage'
Resolving conflicts.
Conflicts:
	src/application/TaskManager.java
test another command
TestParser moved under test folder
Merge branch 'xjy-parser'
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