Add Vagrantfile for more convenient testing (frostyx@email.cz)

- Recommend systemctl instead of service on systemd machines (seanokeeffe797@gmail.com)
- Implement --now and --packages as API Query methods (frostyx@email.cz)
- Improve support for python applications (Fix #64) (frostyx@email.cz)

tracer.spec

@@ -6,7 +6,7 @@
 
 Name:       tracer
 Version:    0.6.12
-Release:    2%{?dist}
+Release:    3%{?dist}
 Summary:    Finds outdated running applications in your system
 
 BuildArch:  noarch
@@ -49,10 +49,10 @@ BuildRequires:  python-beautifulsoup4
 BuildRequires:  python-psutil
 BuildRequires:  python-pygments
 BuildRequires:  python-lxml
-Requires:       %{name}-common
 Requires:       rpm-python
 Requires:       python-beautifulsoup4
 Requires:       python-psutil
+Requires:       %{name}-common = %{version}-%{release}
 %{?python_provide:%python_provide python2-%{name}}
 
 %description -n python2-%{name} %{_description}
@@ -68,10 +68,10 @@ BuildRequires:  python3-beautifulsoup4
 BuildRequires:  python3-psutil
 BuildRequires:  python3-pygments
 BuildRequires:  python3-lxml
-Requires:       %{name}-common
 Requires:       rpm-python3
 Requires:       python3-beautifulsoup4
 Requires:       python3-psutil
+Requires:       %{name}-common = %{version}-%{release}
 %{?python_provide:%python_provide python3-%{name}}
 Provides:       %{name} = %{version}-%{release}
 Obsoletes:      %{name} <= 0.6.11