hbci4java-2.5.12.hibiscus.2.6.18-bp151.3.1

- signed-char.patch: fix conflicting char signedness

- Added patch:
  * hbci4java-jdk10.patch
    + Fix build with jdk10 by not using javah

- Modified file:
  * build.xml
- Added patch:
  * hbci4java-jdk9.patch
    + Specify java source and target 1.6 to allow building with
    jdk9

- update to version 2.5.12 Hibiscus 2.6.18 build 361

- update to version 2.5.12 Hibiscus 2.6.17 build 361
- license changed: https://github.com/willuhn/hbci4java/issues/36

- update to version 2.5.12 Hibiscus 2.6.15 build 361

- initial packaging