Code cleanups for masternode rpc - drop boost/lexical_cast - drop c_str() where applicable - slightly prettify descriptions and some output
Code cleanups for masternode rpc
- drop boost/lexical_cast
- drop c_str() where applicable
- slightly prettify descriptions and some output

Infernoman/crowncoin,Crowndev/crowncoin,Infernoman/crowncoin,Infernoman/crowncoin,domob1812/crowncoin,Infernoman/crowncoin,Crowndev/crowncoin,Crowndev/crowncoin,Infernoman/crowncoin,domob1812/crowncoin,domob1812/crowncoin,Crowndev/crowncoin,Infernoman/crowncoin,domob1812/crowncoin,Crowndev/crowncoin,Crowndev/crowncoin,domob1812/crowncoin,domob1812/crowncoin