[plug] clearer logs
[doc] update README.md
[doc] update SERVER.md
[fs] fix #157 by not forgetting to write metadata
[Makefile] better output
[app] quick refactoring
Camp: update to v13.01.07
Plugs can use a lookup macro.

A plug can have the following form:

    {{!lookup|key}}

and it will be replaced by the key's value
according to the metadata lookup algorithm.
[init] depend on formidable
Fix to issue #158: this.driver is not defined for the path '/'.
Plug: plug=none on a directory.

Fixes #134 and #147.

It implements the behaviour specified in #147.
Requesting a directory with no plugs returns a newline-separated list of entry
names.
Add trailing comma on folders in plug=none

According to issue 134.
Profiler: use Unicode.
Plans update.
Dependency Update.
Using npm library ot.

Also including required libraries to ease reproducibility.
More accurate one-line description.
Loading raw data saves the cache to disk.

This allows to have up-to-date information when loading files with no plug.
Fixes #136.
Makefile: `make load` copies .DS-Store
Add restart target (shortcut for stop followed by start, make it the default).
Add time and timezone offset to DATE for better backup granularity.