refactor: migrate to ui-router
fix: remove the dotted outline for tabs
refactor: create mainCtrl
feature: tabs for product info
fix: remove overlay for nabars
refactor: better product show tabs
feat: create MainCtrl
fix: redirect after delete a product
tests: spec for product show routes
tests: write tests for product show page details tab
Merge pull request #70 from lucassus/feature-ui-router

Migrate to ui-router