added rspec generated files and bucket generated controller
user model spec
bucket model spec associations
fixed association spec for user model
after_create spec not finished for bucket
renamed buckets controller. added index spec. added routes for bucket
renamed buckets controller file name.  added style (border) to buckets.  made spec for @buckets
added navigation spec (for sign in/sign up)
Merge pull request #4 from stellajkimm/bucket

bucket controller/model, user model, navigation feature with specs