merge from upstream
Revert "Se agrega logica de backend"

This reverts commit 9727e2d32f820fffdc5b7c5369f6a906b2a83bd4.
Revert "Revert "Se agrega logica de backend""

This reverts commit 34baef9200005a9ecb5197ad127fa74540aa5d5c.
Merge remote-tracking branch 'upstream/master'
Merge origin/master
Merge origin/shoppingcart2revenge
multitenant
Ignore target

Se actualiza gitIgnore para omitir target de control de tenant
Corrige errores en parte de multitenant
Reversion de cambios de paquetes Purchase
Cambio multitenat
Revert "Cambio multitenat"

This reverts commit 3df5d2374b2a81f26ea042e1acce0600c9385381.
Nuevamente
Front End

Cambios faltantes de front-end
Servicios de java
Merge branch 'master' of https://github.com/CindyVHO/miso4204_marketplace
'Diana DCS commit Ajuste IdBuyer
'Diana DCS commit Ajuste IdBuyer revert archivos _
getLastPurchaseByBuyer
Pago de productos