v1.2.7
#185: createBinClient should not explicitly disable retry logic
joyent/node-manta#187 mlogin should support session control escape character
joyent/node-manta#188 mjob help and documentation nits
Fixed 2 typos in createReadStream() example
Merge pull request #192 from benr/master

Fixed 2 typos in createReadStream() example
joyent/node-manta#191 signURL is not well documented
joyent/node-manta#194 mjob create -o emits "socket hang up"
v1.2.8 release
Properly evaluate user when expanding ~~/ paths

Callers of getPath would receive incorrect results if the Manta user was
set in the MantaClient but not in the ENV.

Fix joyent/node-manta#196
Support using ssh-agent for unit tests

If the MANTA_KEY_ID environment variable is set during unit test, use the
sshAgentSigner instead of reading the key from the filesystem.