Copter: 3.5.6-rc1 release notes

ArduCopter/ReleaseNotes.txt

@@ -99,7 +99,11 @@ Changes from 3.5.5
     i) WPNAV_LOIT_ params renamed to LOIT_    
     j) NTUN dataflash message renamed to PSC
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-Copter 3.5.5-rc1 24-Jan-2018
+Copter 3.5.6-rc1 07-Jul-2018
+Changes from 3.5.5
+1) Safety switch fix to refuse presses once armed (BRD_SAFETYOPTION controls behaviour) 
+------------------------------------------------------------------
+Copter 3.5.5 31-Jan-2018 / 3.5.5-rc1 24-Jan-2018
 Changes from 3.5.4
 1) ICM20948 compass orientation fix
 2) LIS3MDL compass support on Pixracer