Dropbox API integration for document sharing

A document sharing module was implemented which integrates with Dropbox APIs to allow users in the system to share project specific documents with other collaborators on the project. Implemented ability to add project users to an existing document. The users can download and upload edited documents which then notified other tagged users. Implemented other user interface features such as the ability to view and update list of tasks based on filters and add in notes on an uploaded document.

Implemented the ability for collaborators to comment on the document. A history feature was implemented which allows for viewing owners on the task/document. Implemented ability to set meeting times and share schedule with project members.