Fixed username extraction, now removing location info, and keeping the trailing period.
No longer polluting Instagrams NSUserDefaults with my notes (sorry). This way, notes are now backed up.
starting on preferences
Basic preferences screen.
Merge branch 'preferences' of github.com:zephster/Instanote into preferences

Conflicts:
	instanoteprefs/InstanotePrefs.h
	instanoteprefs/Resources/Info.plist
	instanoteprefs/Resources/instanoteprefs.plist