website: fix escaped underscores [GH-1458]
builder/*: extract key path to ssh.Signer
common/ssh: error if encrypted key is used
builder/virtualbox: error if guest additions URL can't be read [GH-1439]
builder/virtualbox: fix typo
Don't notify IRC
website: document needing knife [GH-1429]
builder/virtualbox/iso: append timestamp to name [GH-1365]
website: update supported builders
builder/virtualbox: search VBOX_MSI_INSTALL_PATH [GH-1337]
packer/plugin: clean up log output by only using the base
packer/rpc: don't panic on cache errors [GH-1328]
builder/amazon: tests
fmt
Update CHANGELOG
packer: fuzzy search broken pipe too [GH-1314]