removed completed TODO
moved default preference values into constants
Removed completed TODOs
Added warning against using Google Chrome as the browser for TATupload
Refactor 'SettingsAccessor' to 'Settings'
Added setting mutators copied from TatUploadApplication, with added
contexts
Fixed apostrophe in chrome_warning string
Added static modifier to newly added mutator (and related) methods.
Changed preference mutator calls to use methods in Settings rather than
TatUploadApplication
Removed preference mutators, which were moved into Settings