Update Buck

Highlight of the new version is the fact, that "--all" parameter is
now optional in:

   buck test

Change-Id: Iecfc4629d056b9860f3cce82c3d7ad7600c77267
Make static method declarations in Util class consistent with other code

In all other places we use 'public static' / 'private static' and not
'static public' / 'static private'. This should be consistent across
the whole code base.

Change-Id: I110b745d6c366c7e984a13b99454787e5aeb092e
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>
Always set cache type for CacheInfo returned from get cache REST endpoint

Callers don't want to deal with null values for the cache type.

Change-Id: I76bd8b376780343020a1af08bf8d9bfe333211de
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>
Merge "Update Buck"
Serve static resources for non-jar Server plugins

Abstract from the Server plugins external packaging
and allows to serve static resources from any
form of Server plugin that exposes a PluginContentScanner.

This allows potentially other forms of plugins
(e.g. Scripting, directory-based or any other) to
provide their on-line documentation and serve their
static resources.

Change-Id: I80b8159cf87255e3132298f5863b374b5bd44a6c