product_expiry_search_reminder enhancement

implemented search functionality, so that expired products can be
searched
Email and pdf  new template.

pls update datebase from sprint 2 google drive.for email storage.
campaign ending text changed
suspicious user check implementation
removing - from gift code generation
removing google analytics

google analytics was not being used, so google analytics code has been
removed
email voucher issue of multiple press and UI issue.
disallowing paid gifts to be populated
improvement to display name on ticker
new_fb_login_buttons
including optimizely js in landing page
ajax search, hide url , pagination
Remove debugbreak
title on image

for next and prev buttons
carousel image uploading option in vendor controller
gift to sender who sent gifts
Resize image and include fbpile
campaign admin panel changes

pls upadate one change of database ...from sprint 2.
Merge branch 'master' of https://github.com/NikhilSama/Giftology
Revert "campaign admin panel changes"

This reverts commit 4125a329432bf4519a1463ac6fd1ceae38d1e223.