Fix issue #184. Bump rct.
More logging.
One more bump
Resolve build root.
Make a new RTags::rtagsConfig function and use it.
Allow setting which directories you want multi builds for by setting
this in your .rtags-config:

multi-build: fnmatch;fnmatch2 ...
Rename Cpp to Unit and move a lot of the transient into it. Arguably
Unit should just move into IndexerJob but that will happen later.