Enabled Notepad/Newsfeed Persistant Storage

NOTEPAD
- Added ability to save when entering and exiting view.
- Known bug: when exiting app while editing, changes will not be saved.
NEWSFEED
- Added ability to add items to newsfeed, newest post on top.
- Added ability to delete items.
- Known bug: app freezes sometimes when deleting items.
Merge branch 'Bryce's-Branch-2'