python-avocado.spec: adopt single line per requirement style

I have to say that having one requirement per line is really verbose,
but I have to admit that it makes diffs a lot easier to grasp.

Again, this syncs with the downstream SPEC file.
Signed-off-by: NCleber Rosa <crosa@redhat.com>

python-avocado.spec

@@ -13,8 +13,32 @@ Group: Development/Tools
 URL: http://avocado-framework.github.io/
 Source0: https://github.com/avocado-framework/%{srcname}/archive/%{commit}/%{srcname}-%{version}-%{shortcommit}.tar.gz
 BuildArch: noarch
-Requires: python, python-requests, python-setuptools, pyliblzma, gdb, gdb-gdbserver, python-stevedore, python-yaml, procps-ng
-BuildRequires: python2-devel, python-setuptools, python-docutils, python-mock, python-psutil, python-sphinx, python-requests, pystache, yum, python-stevedore, python-lxml, perl-Test-Harness, fabric, python-flexmock, libvirt-python, python-yaml, procps-ng
+BuildRequires: fabric
+BuildRequires: libvirt-python
+BuildRequires: perl-Test-Harness
+BuildRequires: procps-ng
+BuildRequires: pystache
+BuildRequires: python-docutils
+BuildRequires: python-flexmock
+BuildRequires: python-lxml
+BuildRequires: python-mock
+BuildRequires: python-psutil
+BuildRequires: python-requests
+BuildRequires: python-setuptools
+BuildRequires: python-sphinx
+BuildRequires: python-stevedore
+BuildRequires: python-yaml
+BuildRequires: python2-devel
+BuildRequires: yum
+Requires: gdb
+Requires: gdb-gdbserver
+Requires: procps-ng
+Requires: pyliblzma
+Requires: python
+Requires: python-requests
+Requires: python-setuptools
+Requires: python-stevedore
+Requires: python-yaml
 %if 0%{?fedora}
 BuildRequires: python-aexpect
 %else
@@ -156,7 +180,8 @@ arbitrary filesystem location.
 
 %package plugins-runner-remote
 Summary: Avocado Runner for Remote Execution
-Requires: %{name} == %{version}, fabric
+Requires: %{name} == %{version}
+Requires: fabric
 %if 0%{?fedora} == 24
 Requires: python-crypto
 BuildRequires: python-crypto
@@ -173,7 +198,8 @@ connection.  Avocado must be previously installed on the remote machine.
 
 %package plugins-runner-vm
 Summary: Avocado Runner for libvirt VM Execution
-Requires: %{name} == %{version}, %{name}-plugins-runner-remote == %{version}
+Requires: %{name} == %{version}
+Requires: %{name}-plugins-runner-remote == %{version}
 Requires: libvirt-python
 Obsoletes: %{srcname}-plugins-runner-vm < 47.0-1
 Provides: %{srcname}-plugins-runner-vm = %{version}-%{release}
@@ -188,7 +214,8 @@ itself.  Avocado must be previously installed on the VM.
 
 %package plugins-runner-docker
 Summary: Avocado Runner for Execution on Docker Containers
-Requires: %{name} == %{version}, %{name}-plugins-runner-remote == %{version}
+Requires: %{name} == %{version}
+Requires: %{name}-plugins-runner-remote == %{version}
 %if 0%{?fedora}
 Requires: python-aexpect
 %else
@@ -222,6 +249,7 @@ examples of how to write tests on your own.
 %changelog
 * Fri Mar 31 2017 Cleber Rosa <cleber@redhat.com> - 47.0-2
 - Switch directory change statements to match downstream
+- Change requirements style to one per line
 
 * Wed Mar  8 2017 Cleber Rosa <cleber@redhat.com> - 47.0-1
 - Rename package to python-avocado and subpackges accordingly