Instead of reporting an error and declining to load the file (XML)
or failing to enter a value (SQL) when a bad date is found in the
database, use a 0 time stamp (1970-01-01 00:00:00 UTC). Adds a warning
in SQL backends; there was one already in XML.
This will avoid a ninja-build from picking up a config.h generated by the autotools build
(in the root build directory). Picking up the wrong config.h may lead to all kinds of
subtle issues if the autotools run was done with different options than the cmake run.
It is split into
- /libgnucash (for the non-gui bits)
- /gnucash (for the gui)
- /common (misc source files used by both)
- /bindings (currently only holds python bindings)
This is the first step in restructuring the code. It will need much
more fine tuning later on.
