do not splot POS TX, if size < POW reward
Merge branch 'master' of https://github.com/EvgenijM86/emercoin
Added 1/2 tx fee to minter
delete name tx from wallet and mempool if it fails to get into block.
Disabled 1/2TXFEE and check for presence of RAWTX in signrawtransaction
Merge branch 'master' into namecoin