[GSoC] Update Ionic to v3
Update Ionic to v3 and Angular to v5
Fix incompatibilities during module init
Get the app up and running under browser and android
Fix type assertsions in social providers
Fix errors in event-handling on browsers
Fix lint errors
Fix CSS incompatibilities with Ionic v3
Fix Chrome z-index bug in header
Signed-off-by: Amitosh Swain Mahapatra <amitosh.swain@gmail.com>