Put relevant info for publishing to hex in proper.app.src

Author: kostis

src/proper.app.src

@@ -1,7 +1,7 @@
 %%% -*- coding: utf-8 -*-
 %%% -*- erlang-indent-level: 2 -*-
 %%% -------------------------------------------------------------------
-%%% Copyright 2010-2018 Manolis Papadakis <manopapad@gmail.com>,
+%%% Copyright 2010-2019 Manolis Papadakis <manopapad@gmail.com>,
 %%%                     Eirini Arvaniti <eirinibob@gmail.com>
 %%%                 and Kostis Sagonas <kostis@cs.ntua.gr>
 %%%
@@ -20,14 +20,17 @@
 %%% You should have received a copy of the GNU General Public License
 %%% along with PropEr.  If not, see <http://www.gnu.org/licenses/>.
 
-%%% @copyright 2010-2018 Manolis Papadakis, Eirini Arvaniti and Kostis Sagonas
+%%% @copyright 2010-2019 Manolis Papadakis, Eirini Arvaniti and Kostis Sagonas
 %%% @version {@version}
 %%% @author Manolis Papadakis
 %%% @doc This is the source for the proper.app file.
 
 {application, proper,
  [{description, "A QuickCheck-inspired property-based testing tool for Erlang"},
-  {vsn, "1.3.0"},
+  {maintainers, ["Manolis Papadakis", "Eirini Arvaniti", "Kostis Sagonas"]},
+  {licenses, ["GPL3"]},
+  {link,  [{"GitHub", "https://github.com/proper-testing/proper"}]},
+  {vsn, "1.4.0"},
   {registered, []},
-  {applications, [compiler,kernel,stdlib]},
+  {applications, [compiler, kernel, stdlib]},
   {env, []}]}.