add AccountManager
Added account manager and test
separate datasource of test cases
ability to remove listener
simplified confirmation listener
test simplified
checkpoint in testing account manager
checkpoint testing account manager
do not notify account manager if new key added but does not change
balance. Use threadpool for mock bus as travis hosts fail with too many
threads.
more rigorous test of callbacks for account manager
simplified transaction listener since truk listener provides enough
infor for confirmations
Differentiate tx and transaction listener, process orphan blocks in
account manager
more conservative at reorg. reload account.
color support on client side
less threads for travis
extended color definition with signature and expiry
transfer and issue color from account
forgot output
prepared color storage on server
retrieve and store color definition on server