Fixed bug to not load dashboard when the user doesn't have links
Prevent from rendering empty list
PEP8 styling
Modified teh anem of the function for getting the notifications redis connection
refactor notifications model and add storing and retrieving methods
Add push and save notifications to the signal. closes #26
Add more fixtures to te tests
Added count to the notifications
Added getters to the notification model
Minor comment changes
Added notification index
Fixed little error in template