Bumped Forecastr to v0.1

See https://github.com/iwasrobbed/Forecastr/tree/v0.1

```shell
Robs-MacBook-Air:Forecastr rob$ pod spec lint Forecastr.podspec

 -> Forecastr (0.1)

Analyzed 1 podspec.

Forecastr.podspec passed validation.
```