UI help message
Merge branch 'tys-ui-v0.4' into xjy-parser
Merge branch 'master' into xjy-parser
close #182 create log directory if not exist
fix empty config.json bug
search completed tasks bug fixed
adding first task delay issue fixed. close #195
Merge remote-tracking branch 'origin/xjy-parser' into tys-ui-v0.4
close #192
implemeted HELP command
setting the title of the listview during HELP
mismatched exception replaced by InvalidCommandException
Merge branch 'master' into xjy-parser

Conflicts:
	src/Parser/Parser.java
	src/application/InputCommands.java
resolved merge conflicts
JUnit tests passed
Merge branch 'sun-v0.5' of github.com:cs2103aug2014-w14-2j/main into sun-v0.5
lowercase package task
Merge remote-tracking branch 'origin/hyungjon-datastorage'

Conflicts:
	src/application/Controller.java
	src/data/DataStorage.java
	test/application/DataTest.java
	test/application/IntegrationSimpleTest.java
Merge remote-tracking branch 'origin/xjy-parser'

Conflicts:
	src/UI/UIAutoComplete.java
restore invalidexception and rename test packages