bump version to 0.7.2
bump version to 0.7.2

sureshsundriyal/lnav,acleasby/lnav,acleasby/lnav,sureshsundriyal/lnav,acleasby/lnav,tstack/lnav,tstack/lnav,acleasby/lnav,sureshsundriyal/lnav,tstack/lnav,tstack/lnav,acleasby/lnav,sureshsundriyal/lnav