re-factored API for honeymoon modal

re-factored API for honeymoon modal
- Included image unveil, and mustache
cleaning up repository

cleaning up repository
Introduced new utility methods for sessionStorage

Introduced new utility methods for sessionStorage
method to get and set an item from sessionStorage
legacy photo API prior to implementing mustache

legacy photo API prior to implementing mustache
Refactored codebase

Refactored codebase to suppport multiple sliders using the same modal