Merge pull request #2103 from ia/reverse-button-settings

Add option to swap A/B buttons in Settings menu with minimal changes (fix for #2034)

Fix: Potential Vulnerability in Cloned Function (#2087)

* Fix for #168

* Adapt style ecc_dsa.c

* Update ecc_dsa.c

Merge pull request #2049 from Ralim/i2c-rework-2

Rev2 reworking I2C to avoid IRQ stalling && adjusting thermal runaway for PinecilV2

Merge pull request #2018 from Ralim/version

Update version for RC-1

Temperature code updates (#1814)

* Create a typedef for temperatures

* Quick parse replace temp types

* Fixup for fast/slow PWM on PinecilV2

* Update PIDThread.cpp

* Pinecil small tips need less smoothing

* Remove incorrect comment

* Remove unused function

* Update PinecilV2 Tune as well

Merge branch 'master' into dev

Merge pull request #1653 from Ralim/dev

Release 2.21

Merge pull request #1494 from discip/patch-1

Cleanup reset message + remove redundant enties