On SLES11 SP2 the libgfortran.3.so provider must be explicitly defined
Added Prefer to get SLES11 builds install correct build dependencies.
Switch Prefer to BuildRequires
Tweaks to spec file to make it work with build scripts.
Made both version and release configurable in galera-obs.spec
refs #171 parametrized package name, correct openssl dependency
Squashed commit of the following:

commit b0f13a36724ca507f19c3555051b8729cebd304f Author: Teemu Ollakka
<teemu.ollakka@codership.com> Date: Tue Nov 4 16:02:37 2014 +0200

    Proper openssl dependency.

commit 78d6f7e4d8392c93e14b30bff1a0c40467650c29
Author: Teemu Ollakka <teemu.ollakka@codership.com>
Date:   Tue Nov 4 13:10:54 2014 +0200

    Parametrized package name.
Remove chkconfig from install dependencies as /usr/bin/chkconfig is by default everywhere anyway. Closes #1
Buildignore GCC 4.3 on OBS
Merge remote-tracking branch 'ottok/3.x' into 3.x

Conflicts:
	scripts/packages/galera-obs.spec