Revert "fixed update and delete to work with search results"

This reverts commit d8211b98918457b03935f8be31078b3ae15e6719.
Merge branch 'jin/gui' of https://github.com/cs2103aug2014-w13-1c/main into jolly/gui
inputfieldviewmanager does not update view after parsing command, commandcontroller does it now
loadTodoItems implemented in ModelManager. See model.md
commented out useless currentList = action.getCurrentList();
search results now stay in tasklistview after pressing enter
UNSAFE: updated actioncontroller methods to work with currentlist

do not use as actions are still broken, future commits will fix
UNSAFE: commented out creating a new action controller for every new command
Revert "UNSAFE: updated actioncontroller methods to work with currentlist"

This reverts commit c30949ae3133a66f1ee417771c16bc1340ff51df.
Merge remote-tracking branch 'origin/staging' into jolly/gui
created undocontroller class to push and pop arraylists of todoitems for undo
implemeted basic redo functionality in undocontroller
Integration testing is complete.
OOPS forgot the file