Remove dead clang build code.
Make check_depends work when tools are in PATH.
Make it possible to override ARM toolchain with one in PATH.
Add missing create_depends_dir.
Remove debug prints from retr_and_extract.
Don't try to install ARM gcc if user overrides it.
Fix meaning of ASF.
Allow user to easily override variables for build with config.sh.
Move avrdude parameters to build-targets.sh and make them right for RAMPS.
Specify port for BOSSA upload in board config not command line.
Remove upload parameters on command line.
Build the right BOSSA. Also separate installation of ASF and BOSSA.
Fix Arduino Due upload. Also implement upload over native USB.
Improve dependency install for Teensy.
Have the target specific build scripts define ARM CPU type.
Fix BOSSA removal and building when it's already clones.
Use the right Teensy loader and fix MCU argument to make it work.
Fixes for new build system.
build.sh: Fix infinite loop on wrong arguments.
Move targets script to config folder.