libpreludedb-4.0.0-bp150.2.4

- Bump to libpreludedb 4.0.0
- Add patchs:
  - libpreludedb-fix-gtk-doc.patch: gtk-doc removed gtkdoc-tmpl so gtk-doc.make
    and gtk-doc.m4 need to be updated
  - libpreludedb-manpages.patch: Error in manpage description
  - libpreludedb-undefined_non_weak_symbol.patch: Fix undefined non weak symbol
- Remove libgcrypt-devel from BuildRequires since upstream totally move to
  gnutls
- Rename python-preludedb to python2-preludedb

- Rename %soname to %sover to better reflect its use

- Update to 3.1.0 (Prelude 3.1.0 released on 14 Sept 2016)
- Remove unnecessary patches (libpreludedb-python-swig.patch)
- Use a lib directory with soname
- Spec-Cleaner

- Fix which version of postgresql to use
    Force using postgresql94 as expected in Leap42.2
    Next time, update to do like
    packages in server:database:postgresql

- Update licence from GPL-2.0+ to GPL-3.0+ to include libmissing

- Drop manual library and python requires (autodetected).
  Ensure shared library packaging guideline is followed
  (no extra files in shlib subpackages).
  Fixup RPM groups. Devel package failed to pull in the cpp wrapper.

Initial import
  Generate the lib, the plugins and bindings :
  * Bindings :
  * Python
  * Python 3
  * Plugins :
  * MySQL
  * PostgreSQL
  * SQLite
  Include libpreludedb-python-swig.patch to compile
  with python 3.