fix for #273 plus typo fix plus uppercase for architecture

Author: jantje

it.baeyens.arduino.core/src/it/baeyens/arduino/ide/connector/ArduinoGetPreferences.java

@@ -78,7 +78,7 @@ private static void generateDumpFiles(IProgressMonitor monitor) {
 			String ArchitectureName = Common.getBuildEnvironmentVariable(project, ArduinoConst.ENV_KEY_JANTJE_ARCITECTURE_ID, "");
 			if (boardName.isEmpty() || PackageName.isEmpty() || ArchitectureName.isEmpty()) {
 			    Common.log(new Status(IStatus.WARNING, ArduinoConst.CORE_PLUGIN_ID, "Skipping project \"" + project.getName()
-				    + "\" due to missin configuration."));
+				    + "\" due to missing configuration."));
 			} else {
 			    boardsSet.add(PackageName + ":" + ArchitectureName + ":" + boardName);
 			}

it.baeyens.arduino.core/src/it/baeyens/arduino/tools/ArduinoHelpers.java

@@ -554,10 +554,11 @@ private static void setTheEnvironmentVariablesSetTheDefaults(IContributedEnviron
 	// End of Teensy specific settings
 
 	if (architecture.equals("avr")) {
-	    Common.setBuildEnvironmentVariable(contribEnv, confDesc, ENV_KEY_compiler_path, makeEnvironmentVar("A.HARDWARE.PATH") + "/tools/avr/bin/");
+	    Common.setBuildEnvironmentVariable(contribEnv, confDesc, ENV_KEY_compiler_path, makeEnvironmentVar(ENV_KEY_HARDWARE_PATH)
+		    + "/tools/avr/bin/");
 	} else if (architecture.equals("sam") || architecture.equals("mtk")) {
 	    Common.setBuildEnvironmentVariable(contribEnv, confDesc, ENV_KEY_build_system_path, makeEnvironmentVar(ENV_KEY_PLATFORM_PATH) + "/system");
-	    Common.setBuildEnvironmentVariable(contribEnv, confDesc, ENV_KEY_build_generic_path, makeEnvironmentVar("A.HARDWARE.PATH")
+	    Common.setBuildEnvironmentVariable(contribEnv, confDesc, ENV_KEY_build_generic_path, makeEnvironmentVar(ENV_KEY_HARDWARE_PATH)
 		    + "/tools/g++_arm_none_eabi/arm-none-eabi/bin");
 	}
 

it.baeyens.arduino.core/src/it/baeyens/arduino/ui/ArduinoSelectionPage.java

@@ -497,7 +497,7 @@ public String getArchitecture() {
 	if (architecture.contains(".")) {
 	    architecture = platformFile.removeLastSegments(2).lastSegment();
 	}
-	return architecture;
+	return architecture.toUpperCase();
     }
 
     public String getBoardID() {