Remove naive observables

Merge pull request #18 from VictorAlbertos/remove_redundant_observables

Remove naive observables.

Don't modify scheduler observable for RxGcm.Notifications.currentToken method.

0.2.9

Don't modify scheduler observable for RxGcm.Notifications.currentToke…

Refactor handling error subscription with Actions.empty()

0.2.8

refactor handling error subscription with Actions.empty()

Handling error subscription on observable returned by GcmReceiverData.onNotification

Fix #15

Fix bug for deeply nested fragments.

0.2.6

Fix bug for deeply nested fragments.

Fix #14 -> Support nested fragments

0.2.4

Fix #14 -> Support nested fragments

Fixes #13

#13 -> GcmReceiverUIForeground target method constrains the target screen to one key

Implement null check for GcmReceiverUIForeground

1 -> Implement null check before accessing target() value on GcmReceiverUIForeground in order to allow supplying null when implementing GcmReceiverUIForeground

2 -> Implement null check before using GetGcmReceiversUIForeground.Wrapper value to prevent crash when GcmReceiverUIForeground has not been implemented by the current visible screen

0.2.1 version released

version 0.2.1

Release version 0.2.0

Update README.md