Add license header to all files, and bump version number to 0.8.4_alpha.1

meson.build

@@ -1,5 +1,24 @@
+# Sample Hive
+# Copyright (C) 2021  Apoorv Singh
+# A simple, modern audio sample browser/manager for GNU/Linux.
+#
+# This file is a part of SampleHive
+#
+# SampleHive is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
 project('SampleHive', 'cpp',
-        version : '0.1',
+        version : 'v0.8.4_alpha.1',
         license : 'GPL v3',
         default_options : ['warning_level=1',
                            'cpp_std=c++11'])