minor updates

src/main/java/com/ardublock/core/Context.java

src/main/java/com/ardublock/translator/Translator.java

src/main/java/com/ardublock/ui/OpenblocksFrame.java

...com/ardublock/ui/listener/GenerateCodeButtonListener.java

src/main/resources/com/ardublock/block/ardublock.properties

src/main/resources/com/ardublock/block/ardublock.xml

...ain/resources/com/ardublock/block/ardublock_de.properties

.../resources/com/ardublock/block/ardublock_de_DE.properties

.../resources/com/ardublock/block/ardublock_en_GB.properties