mkcert fixup
Merge pull request #331 from da2ce7/mkcert_fixup

mkcert fixup
cmake fix for windows
Merge pull request #332 from da2ce7/cmake_fix

cmake fix for windows
scripts: remove obsolete opentxs script
Merge pull request #333 from toxeus/removeOldOpentxs

scripts: remove obsolete opentxs script
add checks to printf-like methods
fix printf-like formats
Merge pull request #313 from mhamrle/print_args

Print args
fix print format for size_t on MSC
Merge pull request #335 from mhamrle/print_arg_size_t

fix print format for size_t on MSC
Fixed windows build
Merge pull request #338 from BugFreeSoftware/fix_windows

Fixed windows build
Removed unused case OTClient::issueAssetType.
Removed unused case OTClient::sendUserMessage.
Removed unused case OTClient::checkUser.