Update change notes

Author: PaulZC

CHANGELOG.md

@@ -1,6 +1,15 @@
 Change Log
 ======================
 
+v2.1
+---------
+
+v2.1 is a 'mini' release:
+
+* The compiled binaries for v2.1 are based on v2.2.0 of the Apollo3 core
+* Corrects issue [109](https://github.com/sparkfun/OpenLog_Artemis/issues/109)
+* Corrects issue [104](https://github.com/sparkfun/OpenLog_Artemis/issues/104)
+
 v2.0
 ---------
 

Firmware/OpenLog_Artemis/OpenLog_Artemis.ino

@@ -110,6 +110,8 @@
 
   (in progress) Update to Apollo3 v2.2.0 - FIRMWARE_VERSION_MAJOR = 2; FIRMWARE_VERSION_MINOR = 1.
   (done) Add a fix for issue #109 - check if a BME280 is connected before calling multiplexerBegin: https://github.com/sparkfun/OpenLog_Artemis/issues/109
+  (done) Correct issue #104. enableSD was redundant. The microSD power always needs to be on if there is a card inserted, otherwise the card pulls
+         the SPI lines low, preventing communication with the IMU:  https://github.com/sparkfun/OpenLog_Artemis/issues/104
 */
 
 const int FIRMWARE_VERSION_MAJOR = 2;