Issue #352: Update getblocktemplate to check for votes on all tips at…

… current height

changed to return cached block template when not enough votes, only updating time
changed getblocktemplate to iterate and count votes on all possible tips
[FIX] skipped stakebase input when checking coin in removeForReorg
[FIX] reordered disconnected txs in DisconnectTip so that the funding txs end up in front of purchses in UpdateMempoolForReorg
added specific wait for all votes flag
changed winningtickets to return votes on all available chain tips
allowed activating the side chain as best chain
corrected verification assert in ConnectBlock
forced broadcast of accepted block
changed in net_processing to share the side chain tips to other nodes
triggered Autovoter also on NewPoWValidBlock
added new functional tests to make sure the second node autovotes on all chaintips, while mining on the first node
updated mininode.py to support (de)serialization of field expiry in CTransaction

projectpai / paicoin