Added Notebook reference in Note
Updated Note.cs to modify the get method of Notebook
Revert a change introduced in 083fd7dbc180ab8736062e69d5c02d0642560396

* Do not fetch note body everytime, but only when necessary
Bump to ServiceStack 3.9.71
Add developer service client + tests
Added a method in Engine to get notes according to notebooks
Updated NoteReader and NoteWriter to save the notebook for each Note
Moved the implementation of Notebook to Tags, Fixed Identation issue
Refactored code, removed unused variables
Added method to remove Notebook associated with Note
Merge branch 'Notebook'
Merge branch 'master' of https://github.com/tomboy-notes/tomboy-library