Merge branch 'master' of https://github.com/cs2103aug2014-w13-4j/main into chuyu-storage
fix complie problem
change in constant strings
minor change in writterbuffer to make the code works
modify add to file method
add in tag storage test method
change test name
Merge branch 'chuyu-storage' of github.com:cs2103aug2014-w13-4j/main into pn-chuyu-logic-storage-merge