all the logic on whether a transaction is enabled on 1 of the 4 ecosystems is pulled into isTransactionTypeAllowed():
MSC on Main
TMSC on Main
MSC on TestNet
TMSC on TestNet
Allows to full TestNet integration and future expansion of new Master Protocol Transaction Types
vs Omni: MSC Consensus is 100% on MainNet, TMSC is almost 100% with Divs disabled
Merge branch 'michael-0921' of https://github.com/mastercoin-msc/mastercore into michael-0921