Typo fix

Change description of parameter to wallet_set_priority_fee to remove
some typos.
Merge branch 'master' of github.com:BitShares/bitshares_toolkit
Merge pull request #359 from vikramrajkumar/master

Fixes
Fix bug in erase (erasing invalid iterator)
prettyprint renamed list_accounts functions
Increase peer inactivity timeout to really long to give us time to start up the network and get it producing blocks.  Mark peers we establish outbound connections as not firewalled.
Try to prevent infinite loop when connected to self
Sort account and wallet name lists