Merges the keybase and Ledger code from go-crypto (which is no more) into the SDK
Adds support for Ledger into gaiacli
Cherry-picks updated error handling from #1158
Finished testnet command and introduced localnet targets in Makefile, together with gaiadnode Docker image
Fixed function parameter list - now starts with ctx
Separated GenTxConfig into a server/config package so both the server package and the mock package can use it
Adding server/config to app package
gaiadnode Docker image
Separated GenTxConfig into a server/config package so both the server package and the mock package can use it
Adding server/config to app package
Fixes requested by Rigel
Removed commented code
Global flag fixes