update HelpMessage()
update HelpMessage()

- place "-?" option at first
- re-work description and "\n" usage for Gavins new block creation options
  to better match current description syntax
- ensure no "\n" is in translated strings, which is better for Transifex

bmp02050/ReddcoinUpdates,Cannacoin-Project/Cannacoin,joroob/reddcoin,Cannacoin-Project/Cannacoin,reddink/reddcoin,coinkeeper/2015-06-22_18-46_reddcoin,Cannacoin-Project/Cannacoin,Cannacoin-Project/Cannacoin,bmp02050/ReddcoinUpdates,joroob/reddcoin,Cannacoin-Project/Cannacoin,ahmedbodi/poscoin,reddcoin-project/reddcoin,reddcoin-project/reddcoin,coinkeeper/2015-06-22_18-46_reddcoin,joroob/reddcoin,joroob/reddcoin,reddcoin-project/reddcoin,coinkeeper/2015-06-22_18-46_reddcoin,coinkeeper/2015-06-22_19-10_cannacoin,coinkeeper/2015-06-22_19-10_cannacoin,reddink/reddcoin,bmp02050/ReddcoinUpdates,reddink/reddcoin,bmp02050/ReddcoinUpdates,bmp02050/ReddcoinUpdates,reddcoin-project/reddcoin,reddcoin-project/reddcoin,reddcoin-project/reddcoin,coinkeeper/2015-06-22_19-10_cannacoin,reddink/reddcoin,joroob/reddcoin,coinkeeper/2015-06-22_19-10_cannacoin,ahmedbodi/poscoin,reddink/reddcoin,ahmedbodi/poscoin,coinkeeper/2015-06-22_19-10_cannacoin,coinkeeper/2015-06-22_18-46_reddcoin,ahmedbodi/poscoin,coinkeeper/2015-06-22_18-46_reddcoin,ahmedbodi/poscoin