Deleted all Parcelable data
Added interfaces for database & backend communication + dummy class for testing
Revert "Added interfaces for database & backend communication + dummy class for testing"

This reverts commit 150ad675e41f722598c5377912a0073a1d830170.
Added interfaces for database & backend communication + dummy class f…

Made a mistake while commiting last time (mistakenly added metadata) -
Take 2
Fixed some camelcase mistakes + spelling mistake in comments
Merge pull request #5 from Bartovd/master

Added interfaces for database & backend communication + dummy class for testing