Increase version to 1.5.0-rc1+dev6, update readme

Author: yammajamma

README.md

@@ -8,6 +8,12 @@ This is a collection of APIs abstracting platform specific functionality to be l
 
 ## Version History
 
+### Development Build: 1.5.0-rc1+dev6
+
+- Adds CFE_PSP_GetProcessorName
+- Removes classic make artifacts
+- See <https://github.com/nasa/PSP/pull/190>
+
 ### Development Build: 1.4.0+dev76
 
 - Provide a new framework and perform PSP coverage tests. New coverage test executable is built and several files within PSP are targeted.

fsw/pc-rtems/inc/psp_version.h

@@ -29,8 +29,8 @@
 /*
  * Development Build Macro Definitions 
  */
-#define CFE_PSP_IMPL_BUILD_NUMBER 76
-#define CFE_PSP_IMPL_BUILD_BASELINE "v1.4.0+dev"
+#define CFE_PSP_IMPL_BUILD_NUMBER 6
+#define CFE_PSP_IMPL_BUILD_BASELINE "v1.5.0-rc1"
 
 /*
  * Version Macro Definitions