sort MANIFEST and add CI test to test the tarball to avoid #5

MANIFEST

@@ -9,35 +9,38 @@ META.yml
 README
 t/apache-include.conf
 t/apache-include-opt.conf
-t/notincluded.conf.not
+t/cfg.2
+t/cfg.3
+t/cfg.4
+t/cfg.5
+t/cfg.6
+t/cfg.7
+t/cfg.8
 t/cfg.16
 t/cfg.16a
 t/cfg.17
 t/cfg.19
-t/cfg.2
 t/cfg.20.a
 t/cfg.20.b
 t/cfg.20.c
-t/cfg.3
 t/cfg.34
 t/cfg.39
-t/cfg.4
 t/cfg.40
 t/cfg.41
 t/cfg.42
 t/cfg.43
 t/cfg.45
 t/cfg.46
-t/cfg.5
-t/cfg.6
-t/cfg.7
-t/cfg.8
+t/cfg.51
 t/cfg.55
+t/cfg.58
+t/cfg.59
+t/complex.cfg
 t/complex/n1.cfg
 t/complex/n2.cfg
-t/complex.cfg
 t/dual-include.conf
 t/included.conf
+t/notincluded.conf.not
 t/run.t
 t/sub1/cfg.sub1
 t/sub1/cfg.sub1b
@@ -50,8 +53,5 @@ t/sub1/sub2/sub3/cfg.sub3
 t/test.rc
 t/Tie/IxHash.pm
 t/Tie/README
-t/cfg.51
 t/utf8_bom/bar.cfg
 t/utf8_bom/foo.cfg
-t/cfg.58
-t/cfg.59