jakarta-slide-webdavclient-2.1-bp156.3.50

- Moved patch:
  * jakarta-slide-webdavclient-build-jdk15.patch ->
  - > jakarta-slide-webdavclient-build-jdk16.patch
  + Build with java source and targer 1.6
  * jakarta-slide-webdavclient-enum.patch
    + rename enum -> emun to build with source and target >= 1.5
- Clean spec file and fix some rpmlint errors

- Fix build with new javapackages-tools

- and remove _mavendepmapfragdir from filelist

- really turn add_maven_depmap off

- Move from jpackage-utils to javapackage-tools

- temporary turn off maven depmap

- 'Initial SUSE packaging'