undo redo added
Merge branch 'master' of https://github.com/cs2103aug2014-w15-3J/main
Merge pull request #68 from cs2103aug2014-w15-3J/Logic

Merge Master with Logic
Merge pull request #69 from cs2103aug2014-w15-3J/Logic

Improved search results
minor refactoring
refactoring parser.    Bug fixed in search
Merge branch 'parser'
refactoring parser   bug fixed in search v2
testParser.java  added
Merge pull request #70 from cs2103aug2014-w15-3J/master

Merge Logic with Master