First commit for lab 2
Added some internal links
More links, removed typo
Validate that fields are non-empty
added links to edit, show
fixed edit failures
changed 'update' to 'update_attributes'
added destroy action
added destroy action
Wrote controller tests
Installed Bootstrap
added image upload function
added config files
Dropped fog.rb from repo
moved controller tests
tried to add spec for carrierwave (nonworking)
merged carriertest (nonworking)
Merge branch 'carriertest' into lab2
added pdf upload
merged pdf