Fixes broken link to the testnet faucet

http://testnet.mojocoin.com has been moved to http://faucet.xeno-genesis.com
Merge pull request #3 from kmels/patch-1

Fixes broken link to the testnet faucet
Release notes for 0.11.3
Typo fixes to getting started.
Update release notes
Release notes update
Updates
Remove mention of slf4j
Add biteasy to logos section
Update "working with contracts" to talk about P2SH a bit.
Update the limitations page
Updates our documentation to be compliant with version 0.12