Add missing react-native-geolocation methods: clearWatch and stopObserving

Added missing react-native-geolocation methods: clearWatch and stopObserving

Added support for redux-thunk

thx to https://github.com/matheusrezende

Support for 'watchPosition'

New feature in this release:

• support for watchPosition (thanks to webraptor)

Fetching-State added

Merge pull request #1 from luizguilhermefr/master

New middleware action

switched to underscore-notation in action-names

v1.0.6

v1.0.6

v1.0.4

fixed readme

v1.0.1

fixed readme