make jar file executable

Signed-off-by: Mattias Andrée <maandree@operamail.com>
install the executable jar

Signed-off-by: Mattias Andrée <maandree@operamail.com>
missed the java_shebang definition

Signed-off-by: Mattias Andrée <maandree@operamail.com>
typo

Signed-off-by: Mattias Andrée <maandree@operamail.com>
I am Derpy tonight

Signed-off-by: Mattias Andrée <maandree@operamail.com>