refactored all controllers - removed unused properties of controllers
refactored all services  - removed unused properties of services
detailed what needs to be done for more fuller TDD controller converage
upgrade angular version
changed for loops for forEach and Object.keys
merge changes
refactored BlogCatController to solve 404 bug
replace for loop with Object.keys(SLIDER).forEach(function (key)
fixed bug found by TDD
more complete tests for AddBlogCtrl as AdminAddBlogCtrl