Reverse Mortgage Solutions, a HECM lender bought by Walter Investment Management Corp. last fall, has received a $100 million warehouse line of credit from Royal Bank of Scotland, according to a new filing with the Securities and Exchange Commission. The line is legally structured as a master repurchase agreement. However, it is also considered “uncommitted” and matures in February of 2014. RMS will use the money to fund new originations of HUD-backed home equity conversion mortgages. Several of the nation’s largest banks have exited the HECM space the past two years, including Wells Fargo and Bank of America. A handful of nonbanks have moved ...