added Theme Settings

* added themeSettings.json
* themeSettings.json now feeds data for home page slider
* added /theme-settings route for use in Admin
* when on theme-settings route hide header & footer
updated categoryId to categoryIds (plural)

to match latest Storefront API changes
Changes from CR for PR115
fix build
Merge pull request #115 from kevinsproles/ecomm-method

added Theme Settings and fixed categoryId param
Updated product category urls
Merge pull request #116 from prabinv/FixURLIssues

Fix url issues
Refactor Method:
* Start from scratch and port over Baseline
Refactor Method:
* Start porting over method/app/scripts/controllers/index.js
Refactor Method:
* Add servicve files.
Refactor Method:
* index.js port
* Added notes and comments