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

Add upload method support for MIMXRT1050 EVK (#84)

Enable Arduino Nano 33 BLE (#55) ...

* Add upload target for Arduino Nano 33 BLE, fix linker script preprocessing, add option for USB serial by default

* astyle error

* Use HINTS instead of PATHS so that the Arduino dir is searched first

* Enable OpenOCD and PyOCD for Nano 33 BLE in SWD mode

* Fix missing dependency for USB tests on Windows

* Add RAM defines for nrf52840

* Fix mbed-storage-kv-config depending on SD card library even if said library was not enabled

* Update dsrdtr value

* No longer need to modify linker script now that we aren't using whole-archive!

* Add OPENOCD_ADAPTER_SERIAL

* Add handling for cmsis dap

* Fix typo

* Fix weak symbol issue causing Bluetooth to not work.  In this case, the weak implementation can simply be removed, because there's no legitimate case where it is used.

Response to comments

License header added to all new filed

Adapt mbed-cmake's automatic uploading and debugging system