Merge grit and grit-android repositories

[Eoin Kelly]

Hi all,

I am currently working on our android 4.4 support and it seems like a good time to merge the `grit` and `grit-android` repositories. The `grit-content` repo will still be separate (so it can be licensed separately). 

I am doing this because it will make it easier for new developers to get started with the code base and it will make it easier to maintain in the long run. 

I plan to move the code from `grit-android` into `grit` so there will only be the `grit` repo after the change. This change will land when android 4.4 support is fully ready to go - this should be by the end of next week. Currently the work is happening in the `kitkat` branches of each repo.

I don't know of any reasons not to do this but yell out if you do.

cheers

/Eoin/

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Eoin Kelly | @eoinkelly | Github | Blog