for the upcoming api v3
Reorganize files under /src, separate express app in two apps, one for api v1 and v2 and the other for the upcoming api v3
move api v2 routes in a separate folder, rename apiv1 file for better readability, remove auth routes for api v1
move api-v2 controllers in subdirectory
move unorganized files to /libs
fix gulp requires and separate server in old (api v1 and v2) and new (api v3) app
fix require paths
fix require paths
fix require paths
put api v1 back
Reorganize files under /src and separate express app in one for api v1 and v2 and the other for v3
