Invoicebuddy

* Added the ability to edit proposals
* Code improvements
* Version bump to 0.2.10

* UI Improvements
* Version bump to 0.2.9

* Fixed an issue where mark proposal as accepted was generating an internal server error
* Version bump to 0.2.8

* Fixed an issue where the stats html page wasn't correctly loaded
* UI Improvements
* Version bump to 0.2.7

* Fixed an issue where the pie chart data was not correctly computed
* Version bump to 0.2.6

* Fixed an issue where multiline content in the description field of invoices and proposals wasn't correctly rendered
* Added search and filtering capabilities to past invoicesAdded Stats page
* Added search and filtering capabilities to past proposals
* Added Stats page
* UI Improvements
* Version bump to 0.2.5