Revert "Beginning implementing of network check"

This reverts commit abb4d12a6305f662f421cbc9b5b16979c28d6d73.
Revert "Revert "Beginning implementing of network check""

This reverts commit 9a63faa63be7fb0767fb25f90c0dc7a151da5bbe.
Merge branch 'master' of https://github.com/OJ7/CampusEventsApp