Collate tool support for model. concatSlash() in FileStorage now.
Merge pull request #247 from cs2103aug2014-w13-1c/ryan/controller

Added more keywords (for display and start date)
Merge branch 'staging' of https://github.com/cs2103aug2014-w13-1c/main into staging
fixed search by date methods in taskcontroller
Merge branch 'staging' of https://github.com/cs2103aug2014-w13-1c/main into jolly/gui
fixed pressing up twice highlights whole string

#244