add known_hosts for rvm.io for the binary upload

.known_hosts

@@ -0,0 +1,4 @@
+|1|nPg6tu+/YdEuUiTUbZP+sTpu7ko=|X5+/xIIHO36nkkNZ7c/QhKPHlT0= ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBCYsq5ApzVW8iBuvioXZ4h5AeZuzNwC1C8Lwl+165JmoeBYkgVG5dtFjSqLd87cxUdPc2rrNJ08WbFTUa6G9EUk=
+|1|Os0mHOCxSK2h4DetCj8z3T8ebkY=|l/RR+ACjJD4JTVVLyOV5k0P4g7w= ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC2IHVzTl3DhDivCB9MRClTX6W6V748G4BRLwVsUU01Aoy3FVCh0OOICvmU6mQdKhPdWRN9fR2K/1WMuXP7tr219ZpDbiW351Bs6mLFCQbk7NudO9+FWa8cJoltROiNnOs6L2AZ8JNpqiIv+8m0SOgg0HLScQvOoyf4O15jW29PTd1VnKgdCIEizQIsmozHJone6R0kPvcgaP29NpExQNzoe6ZkE5s7Ni3IDklrII+l4x5W7t/AW4YpZykIAP5gJK5Op2Tv6Io0oikX1mC4zFzo+r2oPC36W8Qx0MXTdPFqMCnr937qPlcBSdFRS3uo2NitAEmiok5DJwAd0VLwIU3h
+|1|7Gl3CcHboIYpMWr1dwR/A+e9SQQ=|fPcxLT6UCREXoLEId1Yi7LoBETQ= ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBCYsq5ApzVW8iBuvioXZ4h5AeZuzNwC1C8Lwl+165JmoeBYkgVG5dtFjSqLd87cxUdPc2rrNJ08WbFTUa6G9EUk=
+|1|wq9+IaP41G96CDt7RZKUNUjhAes=|1CsLhtK9oZ63NMdxDTjon+99Z1g= ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC2IHVzTl3DhDivCB9MRClTX6W6V748G4BRLwVsUU01Aoy3FVCh0OOICvmU6mQdKhPdWRN9fR2K/1WMuXP7tr219ZpDbiW351Bs6mLFCQbk7NudO9+FWa8cJoltROiNnOs6L2AZ8JNpqiIv+8m0SOgg0HLScQvOoyf4O15jW29PTd1VnKgdCIEizQIsmozHJone6R0kPvcgaP29NpExQNzoe6ZkE5s7Ni3IDklrII+l4x5W7t/AW4YpZykIAP5gJK5Op2Tv6Io0oikX1mC4zFzo+r2oPC36W8Qx0MXTdPFqMCnr937qPlcBSdFRS3uo2NitAEmiok5DJwAd0VLwIU3h

.travis.yml

@@ -16,6 +16,7 @@ after_success:
   - ruby -ropenssl -ryaml -e 'puts ["libyaml "+Psych::LIBYAML_VERSION, OpenSSL::OPENSSL_VERSION]'
   - ruby -ropenssl -ryaml -ropen-uri -e 'puts(open("https://google.com").each_line.first.to_yaml)'
   - rvm prepare $RUBY
+  - cat < .known_hosts >> ~/.ssh/known_hosts
   - scp $RUBY.tar.bz2 upload@rvm.io:~/
 after_failure:
   - find $rvm_path/log/ -type f | xargs ls -t | head -n 1 | xargs cat