Update config to match firmware use of table with location ID 0x0004.
Change scaling of display value "AirFlow" to match firmware use of it in Alpha-N mode.
Add new 2D table for RPM based blending of Alpha-N and Speed Density modes.
Issue 848, reject tables with duplicate locationids in the metadata file
Fix for 838 again, so log directory is actually set on saving settings
Update ignore file to ignore moc cpp files and the core plugins dir.