First rough draft support for StoragePasswords
Put root.StoragePassword in the correct location.
Merge branch 'develop' of https://github.com/splunk/splunk-sdk-javascript into feature/storage_passwords
Switched to properties endpoint for ConfigurationStanza objects.
Reverted to conf- endpoint for ConfigurationStanza

There's some question about whether the properties endpoint is suitable for reading/updating configuration settings.
Bug fix: root.StoragePassword now correctly uses Paths.storagePasswords, not the undefined value Paths.storagePassword.
Add storage passwords tests; various nits
add storage passwords tests for forward slashes
add storage password test for missing fields & unicode chars
Merge branch 'feature/storage_passwords' into develop
satisfy jshint