finished layout new note activity
Added event handler for saving and discarding notes
Working Dropbox OAuth
OAuth request moved to NoteListActivity
Dropbox Oauth moved to DropboxHelper class
Listing of notes added
Store files on Dropbox added
added load note from Dropbox
Viewing notes added.
ActionBar title changes into note title
Delete notes added
Delete note confirmation dialog added
Moving to different workstation
Title EditText disabled on edit
Added edit notes
Edit notes fixed + warning note exists added
Override confirmation added
Added .md extension to notes
Added Markdown view