Update maintenance scripts to add targets to validate the current branch for...

Update maintenance scripts to add targets to validate the current branch for complete correctness. Add maintenance script target for checking for release suitability.

Maintenance/makefile

@@ -12,6 +12,8 @@ LUFA_ROOT = ../
 
 all:
 
+
+# Update all Doxygen configuration files to the latest Doxygen version - force Markdown support to be disabled
 upgrade-doxygen:
 	@echo Upgrading Doxygen.conf files...
 	@for doxygen_conf in `find $(LUFA_ROOT) -name Doxygen.conf`; do \
@@ -20,8 +22,15 @@ upgrade-doxygen:
 	  mv -u $$doxygen_conf.new $$doxygen_conf; \
 	done;
 	@echo Doxygen configuration update complete.
-	
-check-release:
+
+# Validate the working branch - compile all documentation, demos/projects/examples and run build tests
+validate-branch:
+	make -s -C $(LUFA_ROOT) doxygen
+	make -s -C $(LUFA_ROOT) all	
+	make -s -C $(LUFA_ROOT)/BuildTests all
+
+# Check the working branch documentation, ensure no placeholder values
+check-documentation-placeholders:
 	@echo Checking for release suitability...
 	@if ( grep "XXXXXX" $(LUFA_ROOT)/LUFA/DoxygenPages/*.txt > /dev/null ;); then \
 	  echo "  ERROR: Doxygen documentation has not been updated for release!"; \
@@ -32,3 +41,6 @@ check-release:
 	  exit 1; \
 	fi;
 	@echo Done.
+
+# Validate the working branch for general release, check for placeholder documentation then build and test everything
+validate-release: check-documentation-placeholders validate-branch
\ No newline at end of file