dzp/mru: https://github.com/yegappan/mru.git @ a8d15b77b9e740d37c8449d127bd8ee4c2c93473

Yegappan Lakshmanan 0e37649486 Use buffer commands to open files if a buffer is present. Reset some options in the MRU window. Update help		%!s(int64=4) %!d(string=hai) anos
..
run_mru_tests.cmd	a8de0345a5 Add additional tests	%!s(int64=4) %!d(string=hai) anos
run_mru_tests.sh	28a7075845 rename some files	%!s(int64=5) %!d(string=hai) anos
unit_tests.vim	0e37649486 Use buffer commands to open files if a buffer is present. Reset some options in the MRU window. Update help	%!s(int64=4) %!d(string=hai) anos