error messages should use showMessage
refactor success/error messaging on ajax calls
change a few colors
make toggle background same color as user in nav
updates npm modules
remove mixins stylesheet
wip better image cards
avoid doing imports in stylesheets
refactor image card layout
avoid pure white for body color
rename css class
refactor image card styling
fix missing delete link
Merge pull request #6 from okize/ui_updates_3

Ui updates 3
Built new release (v0.0.5) codenamed LonelyLemur
Merge remote-tracking branch 'origin/ui_updates_3'

* origin/ui_updates_3:
  fix missing delete link
  refactor image card styling
  rename css class
  avoid pure white for body color
default flash message links to be white
update image model
add some error throwing in app controller
add url check in getThumbnail method to prevent crashes with bad images