added carrierwave gem
added carrierwave uploader class
added uploader to Activity model with image field
migrated image add to activities
added mount_uploader to Activity model
added form for image to dashboard view
committing post scrum; includes del model changes and thumb uncommented for image uploader
uncommented RMagick in image uploader
change thumb process from scale to resize_to_limit to maintain image ratios
installed imagemagick and rmagick gem through ridic command workflow noted in trello;
passed in :thumb to the image_url in image form for
added functionality to include url for image
carrier form on dashboard works but image src blank
user can upload photo as activity; cleaned up navbar some, added a little dashboard styling
added delete linkto for activities; fixed activity delete method in controller
added navbar styling, container fluid to application body, signin validation for My Charts
isa dominating navbar styling
added redirect to mycharts on login
added placeholder text to category score inputs
final commit before pull