Refactor upload methods to streamline the debugging experience (#129) ...

* Change all debug configurations to not reset and exit on error.  Initial tasks.json implementation.

* st-util working on command line and VS Code!

* Convert STM32CUBE, fix spaces in GDB server task command

* pyocd working!

* Convert OpenOCD

* Convert JLINK

* Convert REDLINK upload method

* Fix CMake typo

* Try and fix some variable scope issues

* Initial CLion implementation.  Need to test with hardware.

* Add a separate task that kicks off a build before each debug session

Fix OpenOCD not working for L452RE, fix running tests with a non-default baudrate set, add warning about old stlink versions which may not work

Add support for the open-source stlink uploader