Ivan Shcherbakov authored Jun 20, 2017 and Brad King committed Jul 11, 2017

Report the source locations (e.g. in `CMakeLists.txt`) for all targets
and target-related statements.  This allows IDEs to locate the
statements and automatically edit them when the user adds or removes
files or changes target properties via GUI.

Increment the protocol minor version number to tell clients that the new
information is available.