Build: Add translations to gradle build (part 1 - jars)

apps/desktopgui/build.gradle

apps/desktopgui/bundle-messages.sh

apps/i2ptunnel/build.gradle

apps/i2ptunnel/java/bundle-messages-proxy.sh

apps/i2ptunnel/java/bundle-messages.sh

apps/ministreaming/build.gradle

apps/ministreaming/java/bundle-messages.sh

apps/routerconsole/build.gradle

apps/routerconsole/java/bundle-messages-countries.sh

apps/routerconsole/java/bundle-messages-news.sh

apps/routerconsole/java/bundle-messages.sh

apps/susimail/bundle-messages.sh

core/build.gradle

core/java/bundle-messages.sh

router/build.gradle

router/java/bundle-messages.sh