Convert \ in template names to /

When the node server is running on windows, the template names will
contain backslashes. This requires the client logic to be aware of the
server implementation. Standardize on forward slash delimiters in template
file names.
Upgrade glob to 3.2.6 for windows support

There are some issues with glob 3.1.7 on windows that have been resolved
in more recent versions.

An example: glob.sync('c:\\temp\\**') returns an empty list with 3.1.7,
but returns correct results in 3.2.6.
Merge pull request #21 from marclitchfield/feature-windows-path-normalization

Fix path related issues on windows