Sync with master via export-build.

We need to resolve the DMA-safe memory allocation story, but until then let's disable the CCM. We still have as much RAM as the v1.x boards in this mode.

Small change in gps-driver (ubx.cpp)

GPS didn't work before this change was made

Increase the erase timeout to avoid issues with large/slow flash.

Enable support for RAMTRON, enable support for EEPROM on FMU 1.x

Detect the case where PX4_BASE contains spaces and stop before we cause any more damage.

Call sub-makes with -r to improve startup time.

Call sub-makes with -r to make them start faster (mostly on Windows, where this inhibits an enormous amount of silly scanning for things).

Force non-parallel builds for the NuttX archives.

New, fancy log conversion script by Philipp Oettershagen. Offers a few convenience functions and plots more than previously